Discord's turned two years old yesterday, and I guess I missed the party. Either way, It seems as though Teamspeak is a thing of the past. A newer, hipper, nerdier, cornier voice chat and text app has taken over and we as gamers wouldn't have it any other way. Discord just gets the gamers and the internet in general. They understand what we want as people of the internet, and they let us express ourselves in a simplified and free manner.
Do like the website tells you, "Stop paying for TeamSpeak servers and hassling with Skype. Simplify your life". Not only is Discord free, but it's way easier to use than its competitors and its way more fun to use as well. If you're still using Teamspeak or Skype, I think it's time to jump on the bandwagon. Just watch their celebratory video and you'll understand everything I'm saying.