Students Get Tuition Aid for a Piece of Their Future | WSJ

Students Get Tuition Aid for a Piece of Their Future; Jillian Berman; In The Wall Street Journal (WSJ); 2017-09-10.
Teaser: Income share agreements seem poised to take off, as costs and debt loads rise.

tl;dr → <quote>Under the terms of a typical ISA, students agree to pay a percentage of their future earnings for a predetermined period in exchange for help up front with their tuition.</quote>


  • Income Share Agreement (ISA)
  • Lumni, an organization offering students in Latin America ISAs since 2002 and in the U.S. since 2009.
  •, a web site; vertical search of college and scholarship offers.
  • Purdue University, Indiana
    Back a Boiler program.
  • Purdue Research Foundation, manages the ISA program at Purdue.


  • David Bergeron, senior fellow at the Center for American Progress.
  • David Cooper, chief investment officer, Purdue Research Foundation.
  • Mitch Daniels,
    • the university’s president,
    • Republican,
    • ex-governor, Indiana.
  • James Fish, chief financial officer, Clarkson University.
  • Mark Kantrowitz, publisher,
  • Zachary Meyer,
    • Reference customer.
    • Senior, Purdue,
  • Miguel Palacios
    • assistant professor of finance, Haskayne School of Business, University of Calgary.
    • co-founder of Lumni.
  • Jason Tyszko, executive director of the U.S. Chamber of Commerce Foundation Center for Education and Workforce,

Modern JavaScript Cheatsheet | Modern JS Cheatsheet

Modern JavaScript Cheatsheet; Some Booster Site, hosted on

Table of Contents


How TCP backlog works in Linux | Andreas Veithen

Andreas Veithen (Google, Apache); How TCP backlog works in Linux; In His Blog; 2014-01-01 → 2015-03-14.


W. Richard Stevens, TCP/IP Illustrated, Volume 3: TCP for Transactions, HTTP, NNTP, and the UNIX Domain Protocols; Addison-Wesley; 2016-02-11; 352 pages; ASIN:0134457102: Kindle: no, paper: $60+SHT.


CVE-2017-15361 – ROCA – Return of Coppersmith’s Attack: Practical Factorization of Widely Used RSA Moduli | CRoCS

ROCA: Vulnerable RSA generation (CVE-2017-15361)
The Return of Coppersmith’s Attack: Practical Factorization of Widely Used RSA Moduli (ROCA)
CRoCSCentre for Research on Cryptography and Security

The paper is promoted; embargoed until 2017-10-30.


A newly discovered vulnerability in generation of RSA keys used by a software library adopted in cryptographic smartcards, security tokens and other secure hardware chips manufactured by Infineon Technologies AG allows for a practical factorization attack, in which the attacker computes the private part of an RSA key. The attack is feasible for commonly used key lengths, including 1024 and 2048 bits, and affects chips manufactured as early as 2012, that are now commonplace. Assess your keys now with the provided offline and online detection tools and contact your vendor if you are affected. Major vendors including Microsoft, Google, HP, Lenovo, Fujitsu already released the software updates and guidelines for a mitigation. Full details including the factorization method will be released in 2 weeks at the ACM CCS conference as ‘The Return of Coppersmith’s Attack: Practical Factorization of Widely Used RSA Moduli’ (ROCA) research paper.



  • An RSA implementation is broken
    • 512 bits.
    • 1024 bits.
    • 2048 bits.
  • <quote>In NIST FIPS 140-2 and CC EAL 5+ certified devices since at least the year 2012.</quote>
  • a software implementation,
    embedded in hardware,
    embedded in Trusted Petunia Module (TPM)
  • Infineon Technologies AG.
  • roca-detect/1.0.3, requires a Python stack.

Building a 300 node Raspberry Pi supercomputer | ZDNet

Building a 300 node Raspberry Pi supercomputer; ; In ZDNet; 2017-09-29.
Teaser: Commodity hardware makes possible massive 100,000 node clusters, because, after all, commodity hardware is “cheap” — if you’re Google. What if you want a lot of cycles but don’t have a few million dollars to spend? Think Raspberry Pi

Original Sources

Affordable and Energy-Efficient Cloud Computing Clusters: The Bolzano Raspberry Pi Cloud Cluster Experiment; Free University of Bozen-Bolzano, Bolzano, Italy; arXiv:1709.06815.
Pekka Abrahamsson, Sven Helmer, Nattakarn Phaphoom, Lorenzo Nicolodi, Nick Preda, Lorenzo Miori, Matteo Angriman, Juha Rikkilä, Xiaofeng Wang, Karim Hamily, and Sara Bugoloni.




  • “Standard” 802.11 (wireline).
  • Snowflake configuration.
    A hierarchical star configuration.
  • Consumer-grade 1Gb/s.
  • Central meta-star switch
    Peripheral star-switches


  • Flash SDD is too slow.
  • Must use NAS on HDD on the LAN.

Power design

  • Custom PSU (not “stock” RPi PSU)
  • Repurposed, used, higher-capacity PSUs.
  • Subcluster: 24-nodes/PSU
  • Count: 25 sub-clusters

Mounting (physical design)

  • Bespoke
  • Think it through

Operating System

  • (stock) Debian v7
  • Cannot run OpenStack
  • Bespoke (bare metal) cluster management


  • Some Paper; at Science Direct; no DOI, broken link.
    Basit Qureshia, Yasir Javeda, Anis Koubàa, Mohamed-Foued Sritic, Maram Alajland; Performance of a Low Cost Hadoop Cluster for Image Analysis in Cloud Robotics Environment; In Proceedings of the Symposium on Data Mining Applications (SDMA2016); Riyadh, Saudi Arabia; 2016-03-30 (9 pages).
    tl;dr → Claims to be able to run Hadoop and the Hadoop Image Processing Interface (HIPI) Library for Unmanned Aerial Vehicle (UAV) image processing.
  • Ten (10) Amazing Raspberry Pi Clusters; Some Cub Reporter (SCR); In Network World; WHEN?
  • Some Video; Hosted on YouTube; WHEN?
    tl;dr → Something about using Legos for rack construction, for rack mounting; the physical design of the racks themselves.


In ZDNet


What is the Sawtooth Lake Distributed Ledger? | Hyperledger

What is the Sawtooth Lake Distributed Ledger?; staff; Hyperledger; undated.

tl;dr → it’s blockchain code running inside Intel® Software Guard Extensions® (SGX) enclave.

What’s an enclave?  It’s a computer-within-the-computer because we can’t trust the computer any more; it having been hacked by powers foreign and domestic.  Whereupon the computer-inside-the-Intel-inside being made of The Unhackable, we are safe.


Attack of the Zombie Web Sites, owned by 301 Network, Monkey Frog, Market 57, Orange Box, Arceneaux, Becks, AdSupply, Focus Marketing, Lepton Labs, Willis, Corson, VivaGlam, RecipeGreen, Van Derham | BuzzFeed

Attack of the Zombie Websites; Craig Silverman; In BuzzFeed; 2017-10-17.
Teaser: <snip>actual reporting, by an actual reporter</snip> how seemingly-credible players in the ad supply chain can play an active role in — and profit from — fraud.

tl;dr → the lede is buried, but he does get down to it; the names are recited, the scheme is explained.  Lots of discursory background & color.


Whereas the article buries the lede way way down under the fold…
  • 301network Media, allied “dbas”; Matt Arceneaux, Andrew Becks.
    Monkey Frog Media, Market 57, Orange Box Media
  • AdSupply, allied “dbas”; Eric Willis, Chris Corson.
    Focus Marketing, Lepton Labs
  • KVD Brand Inc.; Katarina Van Derham.
    Viva Glam, RecipeGreen

Original Sources

  • Social Puncher, an research boutique, operated as
  • Pixelate, opined; claims independent discovery.
  • Protected Media, opined, as commissioned, from BuzzFeed.
  • Integral Ad Sciences (IAS), opined, as commissioned, from BuzzFeed..


  • “self-driven”
  • “session hijacking”
  • “friend or foe” system
  • “ad hell”
  • <quote>It was the digital equivalent of skimming from a casino.</quote>
  • “Clawbacks”
  • “In-human traffic,” “non-human traffic”
    because nobody in the trade wants to say “robot.”

Separately noted.


Police Spied on New York Black Lives Matter Group, Internal Police Documents Show | Mother Jones

Police Spied on New York Black Lives Matter Group, Internal Police Documents Show; Brandon Ellington Patterson; In Mother Jones; 2017-10-19.


  • Black Lives Matter (BLM)
  • Black Lives Matter Global Network, a “chapter” of Black Lives Matter (BLM)
  • Clarkstown, New York
  • Rockland County, upstate New York
  • We the People, a protest group
  • 2015-11


<quote>Michael Sullivan, ex? Chief of Police, Clarkstown, New York, was suspended 2016-07, fired 2017-09. A special prosecutor had been hired by the town supervisor (the equivalent of a mayor) to investigate the unit and had uncovered evidence of improper surveillance targeting Sullivan’s perceived political enemies—including the county sheriff, a judge, the supervisor himself, and even residents who supported cutting the police department’s budget. The investigation resulted in more than a dozen disciplinary charges against Sullivan—who was found guilty for 11 of them. He was fired in September 2017.</quote>


Background for the piece…

  • Department of Homeland Security (DHS)
    uses Geofeedia into Fusion Centers, to prospectively track persons of interest via Instagram, Facebook, Twitter. ref
  • Black Panthers
    use Signal.
  • Justice Department
    <quote><snip/>had obtained search warrants to access Facebook accounts of “anti-administration activists.</quote>
  • FBI
    • …and “civli rights leaders”
      <quote>well aware of the FBI’s history of surveillance against civil rights leaders and the Black Panthers</quote>
    • 2017-10, <quote>[the FBI] had identified a new surveillance category for “black identity extremists”</quote>
  • Definition “black identity extremists,” a precrime designator
    Are [people] who are assessed to have a propensity to attack police in retaliation for police violence against African Americans.
  • Strategic Intelligence Unit, Police Department, State of New York.
    • established 2013
    • Clarkstown, New York
  • social-media surveillance
  • 2015-11
    • [police] used a “geofence” twice in the month.
    • Data sources
      • Twitter
      • Instagram
  • Geofeedia
    • Events: 2016-Summer.
    • Where:
      • Nyack, New York [State]
      • Clarkstown, New York [State]



  • Stephen Cole-Hatchard, ex-? Sergeant,ex-”head,” Strategic Intelligence Unit, Police Department, Clarkstown.
  • Peter Modafferi, ex-chief detective, District Attorney’s Office, Rockland County, New York
  • Michael Sullivan, ex-Chief of Police, Clarkstown, New York,
    was suspended 2016-07, was fired 2017-09 [see above].
  • William O. Wagstaff III, attorney for the plaintiffs.


For Color, Backgorund & Verisimilitude
  • Chris Conley, staff, attorney-cert., ACLU of Northern California.
  • Susan Freiwald, professor, Law School, University of San Francisco (USF).
  • Cedric L. Richmond, D, LA, chairman, Congressional Black Caucus.


At Document Cloud

In the vulgar works…

How Smartphones Hijack Our Minds | WSJ

How Smartphones Hijack Our Minds; Nicholas Carr; In The Wall Street Journal (WSJ); 2017-10-06 (paywalled).
Teaser: Research suggests that as the brain grows dependent on phone technology, the intellect weakens

tl;dr → <quote>[people] aren’t very good at distinguishing the knowledge we keep in our heads from the information we find on our phones or computers. </quote>


  • The Shallows: What the Internet Is Doing to Our Brains, W. W. Norton, 2011-06-08, 404 pages, ASIN:0393339750: Kindle: $9, paper: $10+SHT.
  • Utopia Is Creepy, and Other Provocations, W. W. Norton; 2016-09-06, 384 pages, ASIN:0393254542: kindle: 10, paper: $8+SHT.
  • and [many] other books
    …in the boosterist and anthologized thinkpiece longread blogpost genres e.g.

    • The Glass Cage: How Our Computers Are Changing Us, W. W. Norton, 2015-09-08, 288 pages, ASIN:0393351637: Kindle: $9, paper: $6+SHT.
    • IT Matter? Information Technology and the Corrosion of Competitive Advantage, Harvard Business Review Press, 2004-04, 208 pages, ASIN:1591394449, Kindle: $20, paper: $0.01+SHT.



  • “available cognitive capacity”
  • “fluid intelligence”
  • “brain drain” (a technical term, attributed to Ward et al.)
  • “supernormal stimulus”
  • “data is memory without history”, attributed to Cynthia Ozick.
  • the “Google effect,” strictly, pertains to information retrieval.


…they are bad…
  • Apple, iPhone
  • Facebook
  • Google
  • Samsung [Android]


  • Maarten Bos, staff, Disney.
  • Kristen Duke, staff, University of California, San Diego (UCSD).
  • Ayelet Gneezy, staff, University of California, San Diego (UCSD).
  • William James, boffo, quoted circa 1892.
    Expertise: psychology, philosophy.
    Honorific: pioneering .
  • Cynthia Ozick, self.
    Trade: scrivener, dissent.
  • Betsy Sparrow, staff, Columbia University.
    Expertise: psychology.
  • Adrian Ward, professor, marketing professor, University of Texas at Austin (UTA)
    Expertise: psychology, cognitive psychology
  • Daniel Wegner, Harvard.
    Expertise: memory


  • Many Unlock Events Per Day; video segment; ABC News; WHEN?.
    …Where more Americans get their news than from any other source [grammar police be damned!]
  • Some Survey, Gallup, 2015.
    tl;dr → <quote>Over 50% “can’t image” life without a cellphone.</quote>
  • Adrian Ward, et al. A Study. That. Shows. In Journal of Experimental Psychology. 2015. pubmed:26121498
  • Some Authors. Another Study. That. Shows. In Journal of Computer-Mediated Communication, 2015.
  • Adrian Ward (U.T. Austin), Kristen Duke, Ayelet Gneezy (UCSD), Maarten Bos (Disney). Study. That. Shows. 2015.
  • Adrian Ward (UTA) et al.More Study. That. Shows. In Journal of the Association for Consumer Research. 2017-04. preprint. DOI:10.1086/691462.
  • Some Authors (University of Southern Maine). Another Study. That. Shows. In Social Psychology. psycnet:2014-52302-001
  • More Authors. Yet Another Study. That. Shows. In Applied Cognitive Psychology. 2017-04. another study. DOI:10.1002/acp.3323.
    tl;dr → N=160 & WEIRD (students) at the University of Arkansas at Monticello.
  • Even More Authors. Even More Study. That. Shows. In Labour Economics; 2016.
  • More Authors. More Study. That Shows. In Journal of Social and Personal Relationships. 2013. paywall. DOI:10.1177/0265407512453827.
    tl;dr → N=192, WIERD (students), University of Essex in the U.K.
  • Betsy Sparrow (Columbia), Daniel Wegner (Harvard), et al. Authors. Yet Another Study. That. Shows. In Science (Magazine). 2011. paywall.
  • The Internet has become the external hard drive for our memories; Staff; In Scientific American; WHEN?


In The Wall Street Journal (WSJ)…