Like "cool," "hipster" is a multivalent word with no set definition but many different meanings. But from a real estate developers' perspective, if you live in Brooklyn, have read a Jonathan Lethem book or have gone to Studio B, you qualify. Sorry! Even so, no real hipster admits to being one. That's worse than saying you want to be cool. Which makes Home Buying For Hipsters — a monthly real estate advising meet-up with ties to the Corcoran Group — so perplexing. What tool would show up to their event tonight, which is aimed at a demographic no one would acknowledge being a part of?