Hi Rahi
Install ClixAddon in your account. Go to Account summary page at the top in black you will find ClixADDon and click on that and intall.
Download the ClixAddon
Keep track of your account status at the click of a button and get instantly notified of new PTC Ads, Surveys and Tasks as they become available.
Try this you will get to know about Ads, Tasks & Offer invitations too
All the best
Sony