Nightly News | December 28, 2013
>>> if you've got kids at home you know how facebook has been a big part of their lives and perhaps your own. but now there is new evidence to support claims that more and more young people are doing an about-face on facebook . what does this mean for facebook ? we have more from nbc's kristin dalgren.
>> reporter: when 13-year-old ruby carp posts a picture on facebook --
>> i want my friends to like it, i want my crush to like it.
>> reporter: but lately?
>> what really happens is all my relatives decide to tell me how much i look like my mother and that's not what i'm going for.
>> reporter: the teen says her facebook circle isn't teens but older families. it's the same conclusion in an eight- country study by a british academic who says teens say facebook just isn't cool. prompting those researchers to declare, facebook is not just on the slide, it is basically dead and buried. the study found teens are instead using other apps.
>> we are on instagram. we are on snapshot. we are on vine. we are on -- some of us are on tumbler and twitter.
>> reporter: all seeing explosive growth. and designed to be more mobile than facebook . so could the internet juggernaut with more than 1 billion users really are so last year? is facebook really dead?
>> no. it's the second most popular website in the entire world. i mean, it might not be considered cool by young people , they might be using it alongside a bunch of other services, but everyone still uses it.
>> reporter: don't forget, facebook owns instagram, a company whose stock has more than doubled in 2013 isn't likely to go away any time soon. just ask ruby who once wrote an op ed titled "i'm 13 and none of my friends use facebook ."
>> i don't have anything against facebook . and hope that they don't have anything against me in the future.
>> reporter: because it seems the book isn't yet closed on what's in the future for facebook . kristin dalgren, nbc news, new york.