It seems to be focusing on reconnecting with old acquaintances. I think that will be hard - that is all about the network effect, to make sure that the people y

It seems to be focusing on reconnecting with old acquaintances. I think that will be hard - that is all about the network effect, to make sure that the people you know are already on the network - e.g. the case of Facebook. Coming as a new player with that as the main feature seems difficult. Better to go for the angle of finding people based on topics or shared contexts (e.g. similar location).