All of the tagging essentially boils down to delivering relevant, real-time search capabilities. The ability to interconnect and expand the network of influence is nice as well, but the grand prize for all of the tagging is the ability to quickly and easily index information as it is entered and provide a priceless wealth of searchable information in real time.

Facebook is continuing to innovate and explore new ways to leverage the vast network of users it has amassed. Blurring the line between social network, microblog, and search engine makes sense in the evolution of Web 2.0 and Facebook seems to be making progress delivering features and functions that attract and retain users.

Facebook could still learn a thing or two about how to develop from Twitter though.

Tony Bradley is an information security and unified communications expert with more than a decade of enterprise IT experience. He tweets as and provides tips, advice and reviews on information security and unified communications technologies on his site at .