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- Groupon Now! in San Francisco just launched. Use it to find same-day deals.
- If you haven’t used it yet, the Rack perftools.rb project is amazingly useful for performance optimization of web apps. Add the gem, append a few params to your normal requests, and get served an image showing the call flow of your app, with lots of details about method timing and expense. We’re trying to arrange a tech talk about perftools at Pivotal SF soon.