Facebook, the online social networking site, has reached its fifth birthday. Founded in 2004 by a Harvard University student, the site now has 150 million active users.
BBC News published on thier website how 3 readers explain how social networking has impacted upon their lives.
LYNNE ACKERS, 54, MERSEYSIDE, UK 

I run a carers forum because three of my children have autism.
Many of the members on my forum were also on Facebook so I thought I’d give it a try.
I am so glad that I did as it has changed mine and my …