E-com Sales Tax

We recently attended the Silicon Slopes Tech Summit in Salt Lake City. As I walked around and checked out all the different booths, and the cool Arcade setup where they had a Super Smash Brothers tournament, I wondered about sales tax. I spoke with as many people as I could to discover what their company does. I would then ask them about sales tax, and of course they weren’t sure what they did for sales tax. I don’t blame them, they aren’t the ones in charge of the sales tax in their business. I wondered though, what the sales tax nexus implications were for being an exhibitor at a trade show. This is what I learned.Additional Questions Answered:What is physical nexus?What is economic nexus?How can attending trade shows trigger physical nexus?If I don’t have economic nexus am I exempt from physical nexus?Do all the states have the same sales tax laws?What activities can trigger physical nexus in a state?Do I have to get registered in the state where I am exhibiting in a trade show?What are my options when I n