I think this is an awesome implementation of what can be a tricky concept. Out of curiosity, what percentage of users use their Google accounts? Facebook accounts? Have you noticed any trends in terms of "serious" users (e.g. higher plans, more likely to convert to paid users) using a Flowdock account vs. their Facebook or Google? I've always thought that Facebook/Google sign in worked well for free sites or "lightwe…
We rolled out the FB/Google signup/login today, so we don't have any numbers about the usage yet. We'll need to do a blog post about that when we have some hard data.