Four short links: 3 September 2015

Lock Patterns, Peer-to-Peer Markets, Community Products, and Speech Recognition

  1. The Surprising Predictability of Android Lock Patterns (Ars Technica) — people use the same type of strategy for remembering a pattern as a password
  2. Peer to Peer Markets (PDF) — We discuss elements of market design that make this possible, including search and matching algorithms, pricing, and reputation systems. We then develop a simple model of how these markets enable entry by small or flexible suppliers, and the resulting impact on existing firms. Finally, we consider the regulation of peer-to-peer markets, and the economic arguments for different approaches to licensing and certification, data, and employment regulation.
  3. 16 Product Things I learned at ImgurYou can A/B test individuals, but it’s nearly impossible to A/B test communities because they work based on a mutually reinforcing self-conception. Use a combination of intuition (which comes from experience), talking to other community managers and 1:1 contact with a sample of your community. But you’ll still be wrong a lot.
  4. kaldia toolkit for speech recognition written in C++ and licensed under the Apache License v2.0
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