Ran into this one randomly today. I think she did a pretty good review of Zorin. It's short, to the point, and seems to address the basic questions of many potential new comers. One of the better ones I've seen. Probably one I would forward to someone with interest in "linux".
That do exist but only for the same Thread. For Threads this exist, too when You create them. Then You get on the right Side a Window with Thread Titles when it sounds similar.