Bloomberg Opinion columnist Barry Ritholtz interviews Cal Turner Jr., who in 1965 began his career at the company founded by his father and grandfather in 1939: Dollar General. He succeeded his father as president in 1977 and as chairman in 1988. At the time
Facebook is now so good at watching what we do online—and even offline, wandering around the physical world—it doesn’t need to hear us to know what we like. Here are some ways to limit the amount of data Facebook and advertisers are collecting about
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.