You can read Yahoo’s official announcement here. It’s interesting to note that Thompson was a dark horse for this job; many outside observers didn’t have him on any of their lists. He clearly brings a different perspective from his predecessor, Carol Bartz, who was abruptly fired a few months ago. Let’s start with his background. Kara Swisher notes that Thompson is a genuine Internet geek. He became president of PayPal in early 2008, coming to that position after serving as the company’s CTO, charged with handling its information technology, product development, and architecture. He worked …