This is why I built http://slipstre.am/ http://slipstre.am/ but honestly there doesn't seem to be a lot of demand for this. Even on Facebook, where the feature

This is why I built http://slipstre.am/ http://slipstre.am/ but honestly there doesn't seem to be a lot of demand for this. Even on Facebook, where the feature has existed for a while, the average user I've talked to was never even aware of it.