Well I just discovered this nice site. That´s why.
Iam trying get how this works. Thank you for the tip
Common sense states that when the last post on a thread is from 2003, it might not be a good idea to post to it.
Besides, when an old thread is posted to, this 'bumps' it back to the top of the sidebar, and creates havoc for the sidebar mods.
And while they do like their jobs, it can be annoying for them to have to weed out old threads like this one so that more recent threads stay in the sidebar.