Henning von VogelsangIt should be noted that this is only the case with Android phones. iPhones do not listen to you without consent, or without opening an app and explicitly turning on the microphone.
mdy> The story of how that Sudafed ad got to me begins at Walgreens. As I bought tissues and Afrin, I keyed in my phone number so I could get loyalty See morepoints.
> When you enter your email address, phone number or other customer ID when checking out at a store, data brokers could get your purchase history.
> Information about the contents of my shopping bag began to spread. A third-party data collector—likely Nielsen-Catalina Solutions—added it to the purchase history it acquires from Walgreens.
>Johnson & Johnson, maker of Sudafed, paid the data broker for that information. With the use of Facebook’s tools, the information from my loyalty card—email, phone number, etc.—was matched with my Facebook account.
>Then via Facebook, Johnson & Johnson decided to target adults ages 25 to 54 who bought Sudafed or a competing brand. In other words, me.
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