Great summary from Matt Asay of Infoworld about cloud strategy from an ISV's perspective.

“When Microsoft said it wouldn’t rule out putting Windows in the open source domain, people scoffed — but it could be a shrewd business move for the cloud era”…

“It turns out switching costs in the cloud are equal to or greater than what they were in the on-premise era.”…

“Once I build my app on AWS or, more poignantly, dump my corporate data into Salesforce, the likelihood that I’m going to be able to easily switch is less than zero.” …

What if Microsoft really did open-source Windows? by Matt Asay