You west coast guys are probably all over this, but culture comes late to the hinterlands. A bottle of this SRIRACHA stuff appeared in my fridge after Thanksgiving 2014. I don't know how it got there. It sat for over a year. I was out for pizza a few days ago and at at least two different tables other guests had brought their own bottles of Sriracha to the restaurant. It has become a cultural phenomenon right under my nose.
So I tried it a few weeks ago - and I get it. It's thicker than Tobasco, not quite as hot, and little sweet. This morning I had bangers and eggs with fried potatoes and SRIRACHA on the side. Yum.