It's time to review the week that was on ReadWriteWeb. On the product side we continued our ongoing analysis of the iPhone 3G and its accompanying App Store, we looked closely at a Gmail update to its contact management system, covered the US launch of Microsoft Live Mesh, and reported on a developer revolt with Google's Android. On the trends side we revisited the Facebook platform, asked whether startups need Community Managers, looked into mainstream usage of the browser address bar, and...