Though this would be really hard, considering all the information you must have. Basically you need to know player's camera location, create trackables around and detect when player moves mouse on them, after that make the unit face location of trackable.
Sorry that i cannot help you with this, ain't no pro using trackables.
Finally finding about some of the bots that are flooding the users online - bytespider apparently is a huge offender here - ignores robots.txt and comes in from a ton of different IPs
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.