Originally Posted by mopek1

Web 2.0 properties from my understanding are; blogs from tumblr, blogspot, weebly (+ thousands more), a reddit sub, a FB or Twitter page etc... in other words social media properties.

You build them up, meaning have lots of followers and likes (links to the property), and then link out to your own sites.

The risk is that years of work and can be deleted in seconds by some moody employee or a sudden change ("in order to serve you better,") in policy.