There are some interesting tidbits in this interview:<p>- Path has 5M registered users<p>- Release mobile apps like web apps will get you burned<p>- Path is big amongst VCs, celebs and "sophisticated internet users"<p>- A few people use Path for weird stuff like sharing real estate photos with clients and art dealers<p>- Looking at Facebook for app usage data is off "by a factor of 4"<p>- If you get 10 of your friends in a social network, they are likely to stay.