Microsoft joined backend video services provider Move Network's third funding round with an undisclosed investment today. Prior investors, including Benchmark Capital, Cisco and Disney, have already invested $67.3 million in the company. Novell cofounder Drew Major launched Move as a service to help users transfer large email files. The company switched its focus to video in 2004. In a 2007 article, Forbes writer Quentin Hardy handily explained how Move Networks' technology is different than YouTube: