WP7 finger friendly controls size

Which would be the best size for different WP7 controls(like listview items, bu开发者_开发百科ttons etc) in order to be "finger friendly"? Is any resource that handle this problem?

According to the UI Design and Interaction Guide for Windows Phone 7 v2.0:

Touch targets should not be smaller than 9 mm or 34 pixels square and provide at least 2 mm or 8 pixels between touchable controls. In excep- tional cases, controls can be smaller but never more than 7 mm or 26 pixels square. The on-screen keyboard and hyperlinks in Windows Phone® Internet Explorer® are an exception because they have differently sized hit targets.