Tools of the Trade is a feature to help highlight the many tools that help make advertising and marketing folks successful. The tools can be anything that helps people perform at their top form, from a favorite drafting table to the best software program to a lucky pen, a vintage typewriter or a pair of headphones.Next up is Brian Salzman, founder and CEO at Los Angeles independent agency RQ.What is one tool you use all the time at work, and how does it inspire your work?My tool is people. I’m useless in a…