Apple has already sold more than a million iPads in the U.S., and the tablet has become one of the most talked about technologies of recent times. Although aimed primarily at consumers, the iPad is already creeping into corporate America and has been touted as a useful technology for sectors such as healthcare.Other companies are also ramping up their tablet efforts. Hewlett-Packard's (HPQ) recent acquisition of Palm (PALM) is expected to drive its future tablet strategy . Verizon shares climbed 5 cents, or 0.18%, to $28.45 in extended trading on Tuesday, while Google's stock dipped 79 cents, or 0.15%, to $508.27. Neither Verizon nor Google has yet responded to TheStreet's request for comment on this story. -- Reported by James Rogers in New York Follow James Rogers on Twitter and become a fan of TheStreet.com on Facebook.