1 of 1 people found this helpful
Should be posted to Products, not Community space. ("Community" in this case means the Nation web app itself.)
The answer: delete the _mkto_trk cookie for the domain(s) in question.
Came across a similar situation in the past. There may be better solution, but what I did previously was (if using Chrome) was to have you go to Settings > History > Clear browsing data. Check "Cookies and other site and plugin data" and click "Clear browsing data". I believe this will prevent your web activity from further being associated with your co-worker.