Y Combinator S12 Demo Day Batch 4: Meet Vayable, Light Table, viaCycle, and Others

We just wrapped up the fourth session at Y Combinator Demo Day. This will be the last batch of startups we can cover today, because the final group is all off-the-record (i.e., they haven't launched yet). t this point in the day, I think everyone's turning slightly glassy-eyed because they've already watched dozens of startup demos but hey, there are still plenty of good companies, so here we go:

Source: http://feedproxy.google.com/~r/Techcrunch/~3/7BFmPo8z538/

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