Silicon Valley Worries About Addiction to Devices - NYTimes.com

Sign of the times

"Some people disagree there is a problem, even if they agree that the online activities tap into deep neurological mechanisms. Eric Schiermeyer, a co-founder of Zynga, an online game company and maker of huge hits like FarmVille, has said he has helped addict millions of people to dopamine, a neurochemical that has been shown to be released by pleasurable activities, including video game playing, but also is understood to play a major role in the cycle of addiction.
But what he said he believed was that people already craved dopamine and that Silicon Valley was no more responsible for creating irresistible technologies than, say, fast-food restaurants were responsible for making food with such wide appeal."

Silicon Valley Worries About Addiction to Devices - NYTimes.com