It has it's ups and downs and it is most definitely on a down at the moment.
When it is in full flow a thread you create will be moved off of the first page of the big 3 categories (Social, Software, Hardware) within the first 24 hours. (due to age and new threads being posted)
Let alone the current state of a thread staying on for 4 weeks!
But it will pick up again, it always does.