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Heysan was a free mobile messaging and community based in San Francisco, California. Initially Heysan provided free messaging between phones and computers, bridging IM with SMS. The service expanded into launching a mobile community and has over 1 million users doing tens of million of monthly messages. In the summer of 2007 Heysan raised a seed round from Khosla Ventures and Atomico, the venture funds of Vinod Khosla and Niklas Zennstrom. Heysan was acquired by Good Technology in May 2009.

Real-time transit directions in San Francisco. Rover uses real-time public transit data to give you the best route, right now, to your destination. Always get the best route to your destination. Rover tracks all MUNI, BART, and Caltrain lines and gives you directions that make sense right now, so you don't have to wait or worry about missing a connection. Currently supporting SF MUNI, BART, and Caltrain in the SF Bay Area.