Can someone please explain what the difference is between O.M.N.I. and S.P.A.M.

It seems to me most of what is posted here in spam should be in omni.

(probably including THIS thread!!).

I tried to use the argument a while back that I posted something in a place where it didn't really belong (I think it was a question about Holiday Inn or a specific town), but was told it should have been posted in one of the threads that NOBODY looks at...if I posted it in milesbuzz it would have had a MUCH better chance of being answered (or even seen).

Thanks for any thoughts.