Earlier quoted context omitted.
It has the classic chicken and egg problem that you'll face when you start any type of online dating startup. Niche dating startups are even harder to start because you have an implicit filter to start off with, and the problem with all filters is they reduce the pool. If you have a small pool of users to choose from, you'll have an even smaller pool of users with other filters applied. So you can search for keywords…
It would be interesting to have a site (dating or HR or commentary) where you could have specific facts/tags in a profile and some serious checking of those specific facts. e.g. for a dating site you'd have "less than 300 pounds", "graduated from Stanford", "not married", "hivfree" for an HR site you'd have "not a CISSP", "graduated from Caltech in 2000 in CS", "US Citizen", "worked for Google 2000-2004", etc. Indivi…
I wrote this comment before I made it to the end of what you wrote about LinkedIn endorsements. The implementation is still up for debate, but the idea is compelling at the very least. I do think that LinkedIn endorsements are worthless because I haven't yet used them, but that idea distills a person down to their core. We're basically trying to solve that problem through the single question that gets more responses than any other on our site: "describe your friend using only three words."