Hold on tight to your Wi-Fi only tablet devices for they're likely to be relegated to the annals of history. Or so believes AT&T executive Glenn Lurie, who is of the opinion that the usual practice of offering a Wi-Fi only and Wi-Fi + 3G enabled tablet models to consumers might soon be a thing of past. With prices of cellular radios coming down in recent times (it has gone … [Read more...] about AT&T Predicts the End of Wi-Fi Only Tablet