I have a manager at my company, let's call him Manager Doofus. Here's how a telephone call from Manager Doofus to me went today:

Phone: Ring. Ring.
Smarmy IT Dude (me): Brent here.
Manager Doofus: Hey, how big is three megs?
SID: Depends, what are you doing with it?
MD: Uh, it's from (client company).
SID: Well, is it being emailed?
MD: Uh, yeah, sure.
SID: Then three megs shouldn't be a problem from the office.
MD: Yeah, but how big is it?
SID: It's about as much as two floppy disks hold.
MD: But these are CDs (Editor: don't ask me).
SID: ...
MD: So how much is that.
SID: Three megs is about as much as two floppy disks hold.
MD: How many pictures would fit in that?
SID: That depends on a lot of different things.
MD: Well, they're small.
SID: If they're at a small resolution with low quality, you could probably fit well over thirty of them. If they're larger, could might only be able to fit a few, if any at all. It depends.
MD: So, it can fit about thirty, ok.
Phone: click.