This is great, the biggest weakness is there it's based on gmail so the value is limited unless one's entire network is on the service. If this was based on Twi

This is great, the biggest weakness is there it's based on gmail so the value is limited unless one's entire network is on the service. If this was based on Twitter, all the data on who follows who is public and there's more immediate value. I regularly use methods like this for business development.