A 110-year-old thermos brand became a $800 million cultural movement in five years. Here's what the Stanley Cup phenomenon teaches every marketing team about branded merchandise, community, and the difference between a cup and a cultural object.

If you've been burned by a branded merchandise vendor before, you already know how it goes wrong colors, late delivery, logo off-center, event in four days. Here's what to actually look for in a promotional products partner in Dallas and DFW, and the red flags that should send you running.