Please can someone explain how items my mum has looked at on Ebay or Amazon on her computer computer at her house appear as suggested items for me to view (In my Facebook sidebar) on my home PC 2 miles away, we both have totally separate Ebay/ Amazon & Gmail accounts. It is spooky but there must be a valid explanation! Thanks
Google chrome will connect you and remind you of what you have logged into, the same happens with Facebook... I think you simply forgot to log out at you Mums.
It is still data harvesting there are numerous ways of connecting you to others for instance if you have Facebook on your mobile phone it can access your contacts. Google faces allegations for scanning the contents of Gmail. If you are not the paying customer you are the product