It certainly seems that many teenagers have a cell phone glued to their hands, but what are they doing with them?  A study by Deloitte, as reported by eMarketer sheds some light on their activities.  Not surprisingly, texting tops the list, with 86% of millenials reporting that they text frequently/occasionally.  Next comes using their phones’ digital cameras, with 81%.  Following those are: games (60%), video camera (56%), and music download (46%).