The authors found smartphone users have developed what they call "checking habits" -- repetitive checks of e-mail and other applications such as Facebook. The checks typically lasted less than 30 seconds and were often done within 10 minutes of each other.
By Larry Greenemeier | Aug 1, 2011 06:03 PM All-you-can-eat data downloads seemed like a good way to sell fancy smartphones at first, but now wireless carriers AT&T, Verizon and T-Mobile are slowing down the buffet line.