iOS 5 features social contact integration with Facebook, Flickr, LinkedIn, Twitter, and Myspace, reveals AllThingsD.
Alongside a person's email address and phone number, an iOS user can also add links to their accounts around the Web. Then Apple auto-populates the URL for each of the services. Clicking on the account name opens up Safari to that person's profile page.
This quick access to a contacts social pages is definitely useful. The feature isn't working 100% yet but that is to be expected from a beta.
