That's what I'm there for - I sit at the booth and answer questions and take submissions. My network of agents get the signing work done for me. However, there weren't very many questions or requests at Heroes so I actually did end up getting quite a few done myself.
Just watch out for those perspiration droplets on the books Kris does - all that running around causes him to sweat like cold bottle of beer on a really hot day - oops, just kidding Kris! No really, Kris, you can put the shotgun down now.