This sounds quite similar to what the (now more-or-less defunct) Singly was trying to accomplish. Having talked to a former employee about it at some length, t

This sounds quite similar to what the (now more-or-less defunct) Singly was trying to accomplish. Having talked to a former employee about it at some length, the TL;DR is that 1) the technology and ideas are cool and 2) uptake was disappointing. That said, execution matters more than ideas when it comes to success.