Hunter Shoots Bear on a Facebook profile. Type what you want the girl to do and she and her friends photos come to life. Part of a campaign to promote Facebook video chat client Rounds.
Namesake is a site for people to have realtime conversations. People post topics or questions they want to discuss and then people "join the conversation" keeping the whole conversation threaded; it's sort of like a forum that brings topics to you instead of having to go through to find them yourself.
Line has supported one-on-one video and voice calling for some time, but this new feature takes things to a new level by allowing more than one person in on voice calls. In fact, Line said it supports up to 200 people concurrently.