Robert Scoble shares his latest discoveries (as of February 2011) while checking out start-ups in Silicon Valley and Western Europe. A technical evangelist and author, he's best known for his blog, Scobleizer.com.

In this talk, he argues that we're in a tech bubble again, at a point when several start-ups had raised several million dollars. But we need to consider what are the drivers this time round? Smartphones, huge growth in social media platforms, and new customers using emerging platforms.