Google DoubleClick IDE cookies are used to retailer specifics of how the person utilizes the website to current them with suitable adverts and in accordance with the user profile. The ANONCHK cookie, set by Bing, is accustomed to store a user's session ID and likewise validate the clicks from adverts https://www.diigo.com/item/note/bci1o/p1v3?k=31d2b7b198dfc5341abd1fa7b4d51f01