> last week I bought a new kind of barbecue sauce at the grocery store and the next day Facebook was asking me to like the specific brand's page Facebook has t

> last week I bought a new kind of barbecue sauce at the grocery store and the next day Facebook was asking me to like the specific brand's page Facebook has teamed up with datalogix to track users' offline purchases, but as far as I know this is just for a/b testing and not for targeting/ad serving. http://www.slate.com/articles/technology/technology/2013/03/facebook_advertisement_studies_their_ads_are_more_like_tv_ads_than_google.html http://www.slate.com/articles/technology/technology/2013/03/... It's also quite possible it's just a coincidence; that specific brand happens to be running a campaign on facebook, and facebook either got lucky or predicted you would like their sauce (i.e. did their job well).