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280 North is a web application company based on their proprietary application framework, Cappuccino. Along with Objective-J, Cappuccino provides a complete toolkit to develop rich web applications. It's modeled after a proven desktop development environment, and has been released as an open source project under the LGPL. 280 North's first application, 280 Slides, enables anyone with a web browser to quickly and easily create beautiful presentations. 280 Slides takes advantage of the web by making it trivial to find and include great media in your presentation. We also built in advanced features like importing and exporting PowerPoint documents, so your data is always portable.

Hello, Chair Inc. was founded in 2006 by Luke Iannini, Mike Jacobs and Kevin Corcoran to explore opportunities in applied machine learning and internet advertising. After receiving funding from Y-Combinator in 2007, we produced Adpinion, one of the first advertising networks to utilize user feedback to drive personalized targeting. Our core technology, the recommendation engine called SparseReduce, has since proved infinitely adaptable in such diverse problem domains as Amazon product recommendation, eBay auction discovery, image and language comprehension, and Twitter stream exploration. The latest application of SparseReduce is Appsaurus, an app discovery platform which was released on the eve of 2010 to overwhelming critical acclaim. We're backed by some pretty incredible investors: Harrison Metal, Mitch Kapor, Chris Sacca, Y-Combinator and David Parker to name a few. We're also proud to have Alexis Ohanian as an advisor.