See that rather ominous warning label above? That's a new sticker that will soon be placed directly on the screen of every new device Verizon Wireless sells. Contrary to what you might suspect, however, that's not being done in response to the most recent iPhone 4 tracking fiasco. The label was revealed in a letter to Representatives Ed Markey and Joe Barton, who themselves sent a letter to Verizon (and the three other major carriers) on March 29th inquiring about a New York Times story that raised concerns about how carriers collect and store personal location dat