I have noticed that I sometimes see ads for things I have been researching on the internet – washing machines, refrigerators, roofing contractors and so on. It gives me an uneasy feeling, knowing that my movements about the Internet turn into business opportunities for companies that sell my search terms to advertisers.
Looking for a new refrigerator is one thing, but what if you are searching for information on AIDS, bipolar illness, early onset Alzheimer’s or anonymous help for substance abuse and addiction?
Those searches, even on reputable Internet medical information portals, are also turned into profits and potential loss of privacy, according to an article in The New York Times: