digital dementia noun impairment of brain function as a result of overuse of screens, leading, for example, to inability to recall phone numbers/dates of birth/PINs, etc.

So that means that many of us, including kids who grew up with technology and those of us who adopted it in our later lives as part of living in the modern world, may not be destined to digital dementia indefinitely after.

[www.alzheimers.net 12 November 2013]

digital water cooler idiom informal a social network on which people talk about something such as a TV show or sports event

In recent months [Facebook and Twitter] have engaged in an escalating battle […] to claim the title of the nation’s digital water cooler as they woo networks and advertisers.

[New York Times (US broadsheet) 02 October 2013]

About new words