Our last keynote speaker before our final wrap-up piece was Ralph de la Vega, the President and CEO of AT&T Mobility. AT&T touted their Digital Life concept amongst other things. Here's the summary: That's it for the individual keynotes. It's interesting to see what each one of the different CEOs were focusing on. We will have one more article with a wrap-up quick summary of the roundtable keynote from the major carriers.