We do spend a lot of time with our devices, and some studies have suggested that excessive dependence on cellphones and the Internet is akin to an addiction.Wed sites like NetAddiction.com offer self-assessment tests to determine if technology has become a drug. Among the questions used to identify those at risk:Do you neglect housework to spend more time online? Are you frequently checking your e-mail? do you often lose sleep because you log in late at night? If you answered "often" or "always," technology may be taking a toll on you.