What brings the “social” to social media?

These five points sum it up - anything you would add or detract? (oh and check out the rest of the post this is from - great stuff!

At it’s core social media gives us five base opportunities:

• the opportunity to contribute - easy sharing of information
• the opportunity to comment - your chance to have your say
• the opportunity to collaborate - work with anyone, anywhere to achieve a common goal
• the opportunity of conversation - getting involved in discussions with others
• the opportunity of community - building relationships online

[From Colin Walker » What brings us to social media?]