I've worked with several of the guys currently hacking on Openfolio in the past, and I'm excited to see where their platform goes from here. The ability to compare your decisions against those of some of the biggest names in investment management is strangely attractive, and I find myself going back to the site more and more frequently as time goes by.
Some may worry about obvious Silicon Valley echo chamber effects. This is a community of early adopters who want to use products to solves their own needs
In any event: congratulations on the launch!