"Curebit, a Y Combinator startup that just closed a round of funding from Dave McClure’s 500 Startups fund, has been caught red-handed stealing HTML code, images, and the like from 37signals."
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Pass the popcorn: Y Combinator startup caught stealing from 37signals | VentureBeat
I have to think this happens all the time but usually the perps don’t get caught (cause it’s not done in such a blatant manner).