TL;DR 1.Bing is inferring search results from user behavior, collected via Bing Toolbar 2. Google team makes an experiment: using Bing Toolbar to feed Bing pa

TL;DR 1.Bing is inferring search results from user behavior, collected via Bing Toolbar 2. Google team makes an experiment: using Bing Toolbar to feed Bing particular behavior. Namely, they all go from a search result page on Google.com laden with a unique word to a particular target site. 3. Bing infers connection between the unique word and the target site. 4. Google cries cheating.