At this year's annual All Things Digital conference hosted by AllThingsD, Walt Mossberg and Kara Swisher interviewed Apple CEO Tim Cook, where he revealed that Apple is planning to open up additional APIs in the future, giving third party developers more control over iOS. According to Cook, while Apple will open up more APIs, it will continue to protect customers from the "risk of bad experiences."Always a fine line, or maybe not so fine. The customer pays us to make choices on their behalf. But you'll see us open up more.When Facebook released its Home software for Android phones in April, Facebook director of product Adam Mosseri mentioned that the company was in ongoing talks with Apple about bringing Home (and its