[xcntktn]

Not bad for someone who started out as a spammer:

http://gawker.com/5853754/the-seedy-spammy-past-of-airbnbs-c...

[wmf]

Given that such "hustle" tactics are endorsed by YC, I would assume almost all successful startups have used them at some point.

[205guy]

Yes, sad that ethical behavior in companies buys no upside.

[visakanv]

Agreed, and this is nothing new. Pretty much the case since the origin of business.

[dosh]

As far as growth hacking goes, airbnb+craigslist is considered to be a genius 'hack'

http://www.quora.com/Growth-Hacking/What-are-the-Top-10-Cons...

which I think is well, something you have to do in the early stages of your startup. :'-(