Essay on online dating (solve online dating and you'll get into YC, I promise)
interviews.slashdot.org
interviews.slashdot.org
By asking the user for criteria and then saying "20% of users that met her/his criteria received a response" is not a good idea. A lot of users of online dating sites are frustrated with the perfection that they need to achieve. Not everyone can be perfect and fit your criteria, and just because the user doesn't fit the criteria doesn't mean that they can't be a perfect match for the user.
That's probably, the most CLASSIC phrase people said when they heared about the lamp, the clock, typography, and will continue to say for every other invention that exists out there. Real entrepreneurs don't start their phrases like that.
You just said that to convince yourself. By the way you used 4 times the word facebook in one 1 paragraph.
That's 7%! So, let me just neglect your opinion.
How tastelessly condescending of you ;)