When he looks, he notices a Twitter notification that tells him Neil Gaiman has actually sent out a very nice tweet about his store, which includes telling folks that Stuart “really knows his stuff” and that they should stop buy if they’re in the area and want a cool comic store to shop in.
The gang is up on the roof of their apartment building for a celestial viewing party with the help of Raj’s fancy telescope one night, when Stuart gets a ping on his phone.
The guys all think they missed Gaiman’s trip to the store, but a flashback shows that they were too busy arguing over the relative strength of comic book metals to look up and pay attention to Gaiman when he offered his opinion.