"2/3 of the language will disappear by the end of the 22nd
century." .
This link, which I think is valid, shows how languages die within time, I think is important to place it here for you to know how is that the languages disappear.
http://humanities.uchicago.edu/faculty/mufwene/publications/HOW_LANGUAGES_DIE.pdf
This second page seems to be reliable because it includes work from BBC, which is a well known reporting company. In this source it is also involved UNESCO.
http://worldfocus.org/blog/2010/03/03/cultures-around-the-world-at-risk-of-losing-their-languages/9925/
"Technology makes family spend less time together.".
In the following link explains how each time more families start to spend less time together for example by not having dinner. I think this is a valid link because people who wrote this made a previous research and even have more information because they leave you their link for you to ask them questions if neccesary.
This link is a study made by a USA newspaper in which it explain how people use more internet to commuinicate than to do face-to-face contact with other people by using pages like Facebook or Myspace. For me its a valid source because this was written by a reporter from the "Usa Today" Newspaper.
