Do yourself a favour and do a search for something on a shopping site, say "Balloons", and watch the ads for "Balloons" turn up on HC, as it happens on all sites, and it is called Marketing.
IMO, the OP has looked at book sales recently, thus why he is getting the ads.
LOL he might have been searching for a certain ex PM's book, yea the one with ScoMo's knife in his back
