I have a few things to ask about.    1. Facebook and many other social networks have Notifications. I don't see any feature like this with Ning. I used to have Grou.ps & they had a nice Notification tab in the bottom right corner. Can I have something like this on Ning? Usually notifications are sent via email which gets annoying.   2. Is there a Poke feature? If so, how can I enable it.    3…