Force Users to Read a Thread.

[Abe1]

I was unable to find but does anyone know of a hack that Forces Users to Read a Thread? I just want to check here before I start creating it myself.

[roni1015]

This is what I'm looking for, does anyone know of one?

[Paul M]

I don't recall ever seeing one.

[Limerick]

This would be useful to me :)