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Ark.com is a search engine for people. With Ark, you can search for new people, old classmates, new business contacts, and even your friends. With over a billion social network profiles indexed, and using a modern architecture, Ark provided the most comprehensive people search engine in the world. Prior to founding Ark, our team has experience at Google, AOL, Symantec, Lithium, Yahoo! Research and Y-Combinator.

Siasto is a collaboration and project management tool that integrates into Google Apps, Gmail, Google Drive, GCal, box, and Dropbox. It's used by teams, SMBs, and enterprises to keep all their tasks, events, projects, and files in the same place. It allows users to create tasks, events, and documents all from the inbox. Siasto was started by the founders of Taskforce (http://taskforceapp.com) who's previous experience in task management led them to building Siasto. Siasto is backed by YCombinator and other angel investors.