Hmm. It seems that these chat applications are more and more becoming like a polished webmail system. Now they've introduced threads, it's searchable forever, you can mail erm. I mean send messages to individuals or even groups. This new technology is amazing. Seriously there is nothing wrong with using e-mail (apart from the dated protocol) and for knowledge sharing your team is better of with some kind of wiki with…
The idea that is different here is that it is an invite only system - meaning no spam.
The first question that came up for me was 'who do I invite' - I had to think who in the team is an early adopter and would be receptive to trying something new. Then my next thought was to Hangouts them and tell them what I was doing so they did not see an invite for something unknown... then I thought... Why don't I just email them... and lastly... Why am I doing this again? I have already everything I need to talk to them... What is the advantage of this service?
As it stands, I get very little spam.
So what is the value prop?