[Yo-Yo]

When there were frames.

Who remembers getting yelled at to "Close your tags!" when you used HTML to italicize something but forgot to put the ending </i> and every post after yours was also italicized?

[nopardons]

And don’t forget “THE ITALIANS”! :-)

[plain talk]

“Who remembers getting yelled at to “Close your tags!” when you used HTML to italicize something but forgot to put the ending </i> and every post after yours was also italicized?”

Italians off :-)

[lepton]

Then there were the spinning threads from when a banner tag wasn’t closed.

[ifinnegan]

Yes. If you left a tag open, say bold, every post under it would be bold.