Sexting beats emailing, dieting, and even hooking up, according to Google Trends.
Source: castlemegastore.tumblr.com
It beat out emailing in 2009.
As BuzzFeed's John Herrman noted last year, nouns like "email" tend to become verbs over time. But they may also pass out of usage as the activities they describe get less popular. Everyone knows emailing is for old people now, so it's on the decline. Sexting, however, is going strong.
Source: selfloathingsunday.tumblr.com