What's the deal?

hola everyone, i'm a busy mum with a full time job i hardly come on fanpop anymore, i mean i'm nearing 30 for godssakes XD The last time i logged on was 2 months ago, i've noticed we have a new chat bar :o what's that all about? the last time i was here the chat bar has disappeared and everyone was causing havoc about it, now we have a new one? I've noticed tu can use groups? what are these groups? any respuestas would be appreciated, cheers in advance :)