US9898755B2
patent
The present invention provides improved techniques that can be used to verify illegitimate non -human users that are accessing content. For example, a method of verifying a
13 claims. 33,661 characters of text.
patent
The present invention provides improved techniques that can be used to verify illegitimate non -human users that are accessing content. For example, a method of verifying a
13 claims. 33,661 characters of text.