Targeted Web Ads Tied to Your Credit Card Buys
Pay for a fast food lunch with your credit card then see weight loss ads next time you're online. That kind of outcome is likely under moves Visa and Mastercard are studying.
What's the Latest Development?
Visa Inc. and MasterCard Inc. are investigating using what they know about people's credit-card purchases to target online ads for them. One holy grail would be, for example, to show a weight-loss ad to a person who just swiped their card at a fast-food chain—then track whether they bought the advertised products. So instead of your Web ads generally being based on your online activity, they'd also be linked to your bricks-and-mortar world.
What's the Big Idea?
The plan, if implemented, would not only be a technological feat—tying people's Internet lives with shopping activities—but erode Web privacy. "It's an effort by the two companies to profit by selling access to the insights they gather about people with every credit-card transaction," writes Emily Steel. After all, 'You are what you buy,' aren't you?
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A NASA astronomer explains how astronauts dispose of their, uh, dark matter.
- When nature calls in micro-gravity, astronauts must answer. Space agencies have developed suction-based toilets – with a camera built in to ensure all the waste is contained before "flushing".
- Yes, there have been floaters in space. The early days of space exploration were a learning curve!
- Amazingly, you don't need gravity to digest food. Peristalsis, the process by which your throat and intestines squeeze themselves, actually moves food and water through your digestive system without gravity at all.
She met mere mortals with and without the Vatican's approval.
- For centuries, the Virgin Mary has appeared to the faithful, requesting devotion and promising comfort.
- These maps show the geography of Marian apparitions – the handful approved by the Vatican, and many others.
- Historically, Europe is where most apparitions have been reported, but the U.S. is pretty fertile ground too.
A growing body of research shows promising signs that the keto diet might be able to improve mental health.
- The keto diet is known to be an effective tool for weight loss, however its effects on mental health remain largely unclear.
- Recent studies suggests that the keto diet might be an effective tool for treating depression, and clearing up so-called "brain fog," though scientists caution more research is necessary before it can be recommended as a treatment.
- Any experiments with the keto diet are best done in conjunction with a doctor, considering some people face problems when transitioning to the low-carb diet.
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