Our data is currently being collected without our permission and sold to advertisers. If you have ever searched on your smartphone or browser for information about gambling, you will constantly receive ads with similar content. That is why it is very important if you have decided to get rid of your gambling addiction not to use your old accounts and it is better to give up the internet completely for some time.
I learned this after watching the popular streaming website. Whenever I watch food reviews it will extract advertisements that contains food in it.
Whenever I watch gaming and sports, it will do the same.
Now what if you history of watching live streamers of gambling sites? It will be a big impact to the one who is trying to stop his gambling addiction as everywhere he goes there will be an ads about it.
Yes, a change of e-mail will help and maybe clearing your computer first. A hard format will do just to be safe that nothing will come back anymore.
Internet is part of our environment now. Even articles are relying to your search history about what ads will pop out.