AT&T took to the stage to announce its LTE network will go live on Sunday, which means today's the perfect day for its fiercest rival to one-up the news. Verizon's director of network technology Praveen Atreya, dropped the rather unsurprising news that the next natural step in the company's data evolution chain will be LTE-Advanced. Don't get your hopes up so fast, though: Atreya says it's still too early in the game to test the new tech or figure out its potential speeds (spoiler: they'll