The firefly -- the lightning bug -- is actually a beetle. They're not found west of the Rockies, which is why I haven't seen any in Seattle. But I have fond memories of running around in the woods and catching them when I was a kid back east.
Lately I've been getting spam for breast enlargement.
Och, enough. Breasts are undoubtedly the most commercialized of body parts.
To paraphrase Voltaire -- if large breasts didn't exist, advertising agencies would have had to invent them. (In fact, given the number of surgeries per year, they practically did.)
I'm sure a similar observation could be made about headlights.