When Did Sony Start Giving Birth to the PS Vita?

Kotaku already broke that Sony had a ¥25,000 pricetag in mind when it began work on the PS Vita and that the company almost dropped the rear-touch feature. Sony's Shuhei Yoshida filled in more details with Famitsu, like that work began on the Vita in spring 2009 and that the current button layout was created with… » 6/22/11 8:00am 6/22/11 8:00am