"Improv Everywhere" takes on Best Buy:

[Robb]

These guys are genius.

Excerpt:

The reaction from the employees was pretty typical as far as our missions go. The lower level employees laughed and got a kick out of it while the managers and security guards freaked out. Some employees speculated that we were a cult, or maybe protesters. One employee tried to get a date out of the incident, informing one agent, "Tell that girl in the computer section that 'Mike says hi.'"