Therefore i think TalkCoin's role is no more than a crypto currency. There would be no one use this for chatting purpose.
The goal is not to replace IRC chat or the trollboxes, the goal is to offer a decentralized chat without central server to deliver messages and where everybody can talk without censorship. In some countries, people can't talk freely and exchange their points of views. For example, Turkey recently blocked access to Twitter.
And if, in 1 or 10 years, bitcointalk.org doesn't exist anymore (who knows?), talkcoin will always exist for bitcoiners and altcoiners because it's P2P.
+100, completely agree. The idea of TAC is so great, I strongly support.