As Twitter is expected to launch its new advertising platform later this month, we can only hope geo-tagging will feature prominently in their plans.

400 million profiles, millions of status updates, billions of photos being uploaded and viewed – Facebook is huge, monolithic and truly, wide-reaching. If you are on Facebook, that’s the size of the audience which can potentially look at your profile. However, unless you are a Britney Spears, Oprah or some other celebrity like that, no…