Aydin Senkut, an early-Google employee-turned angel investor, is becoming known as one of the more prolific seed-to-early-stage investors in Silicon Valley, having invested in 40 companies since 2006. His portfolio consists of some well-known consumer Internet companies, such as Mint, which was recently sold, Disqus, Dogster, BrightRoll and Rapleaf.  to Intuit for $170 million, Aardvark,

In this second segment of our two-part interview, Aydin talks about the trends he believes are worth following and the sectors he sees as over-hyped or over-crowded.

A few areas he sees as promising are healthcare, online education, and personal genomics. An area he things may be crowded is applications for both iPhones and social networks. "Gaming [apps] on top of social networks have been successful, but not many others," he said. 

See first part of Aydin's interview: How to hook this angel.