Stefan Daschek (@noniq): Encoding-WTFs: When 'ü' != 'ü' and other oddities.
Aaron Cruz (@mraaroncruz): Constant Lookup in Ruby
Gerald Bauer (@viennahtml): Inside OpenStreetMap Blogs (blogs.openstreetmap.org) - Build Your Own (Static) Planet News Site w/ Ruby (and Pluto)
Want to do a talk or host a discussion? Want to show off your latest pet project or talk about a problem you had to solve? Let us know in the comments. We love lightning talks (https://en.wikipedia.org/wiki/Lightning_talk)!