Too Old for Social Network's?

Click on the image to read more. Do the older generation not join social networks because of their age? Is it their age that develops a lack of interest? Do they feel too old? or, Is it just out of their generation? This would be an interesting topic to discuss in a survey format, i could find out what age different age groups think is acceptable to be using social networks and why different age groups do or don't use social networks.

Image: HowStuffWorks "Are you too old for social networking?". 2012. [ONLINE] Available at:http://computer.howstuffworks.com/internet/social-networking/information/too-old-for-social-networking.htm. [Accessed 09 February 2012].