I think one of Google's main problems in respect to building apps, is they stick to their overly simple design principles, which don't lend themselves to comple

I think one of Google's main problems in respect to building apps, is they stick to their overly simple design principles, which don't lend themselves to complex services like social networks. If you log into Orkut as an early adopter, it's not that impressive at all. Similar experience with Wave.