› added 3 months ago

4

TIL about Ultrasonic cross-device tracking. Audio "beacons" can be embedded into television advertisements. In a similar manner to radio beacons, these can be picked up by smartphones, which allows the behavior of users to be tracked. Humans can't hear these sounds at all.

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4JvN TIL Google now receives over 100,000 copyright take-down requests an HOUR. In one week this year, they received 19 million requests as compared to an average week in 2013 when they received about 4 million.
XWok TIL that President Ulysses S. Grant was arrested while in office. He was charged, booked, and released for speeding (on a horse) and had to pay a fine.
6Evvl TIL the guy who invented Vaseline used to go city to city dipping his hand in acid and burning it, showing previous wounds that had healed using his product
woYWP TIL about Bountygate - a scandal in the NFL during the 2011 season which involved New Orleans Saints players gambling over the severity of injuries they could cause the opposing teams players. The result was the head coach being suspended for a season as he was found to have condoned the behaviour.
wLrro TIL Danny Tamberelli was the voice of Arnold on the Magic Schoolbus.