What's the name for three dots, like this ... and why is it a bad thing?

[Doodle2U]

I use this a lot in my posts. Say I'm talking about a conversation that crops up in our house, repeatedly.

I might type "again and again and again..."

to signify it's continual. I'm sure I read on here that this practice get's on Pedants' tits. Why does it?

PMSL Grimma - I thought you'd done it wrong!

Hey, I'm not a Ped, Pointy. I'm just visiting with my question. I only come in here for quick, snappy answers to thickome questions!

The ellipsis is properly used to show where text has been removed.

So, an example: "The ellipsis is ? used to show ? text has been removed."

I use it but only at the end of a sentence...

never in the...middle...of one!