if no activity has happen in those tracked discussions.
Are you sure there were new posts posted to those tracked discussion and you didn't receive any emails?
Here are your tracked discussions:
Please let me know. I would also check your spam folder just to be sure they didn't end up in there.
Had to change my email, and I updated the information on CNET, however, I no longer receive notifications when tracking discussions. I probably missed some important little procedure. Any ideas?