Here is an example of how to limit the threads by certain notoriously attention whoring posters:

"My daily routine for 12/15/09"

instead of:

"My spreadsheet for the day"
"My 10 point teaser for the day"
"Going to the country to pick up fresh milk today"
"Meeting a bookie behind an alley today"
"Sharps are better than squares"
"Scalping is better than handicapping"
"Nickay! Is it snowing in Canada today?"
"I look younger with a rug"
"Pay attention to onthewhat's Kentucky picks"
"I haven't been laid for 15 years"

This is why a daily limit is required. Merging your daily life in as few as possible threads. PT is not like facebook!