The math wizards at Numberphile have brought back an age-old multiplying algorithm known as halves and doubles, peasant math, Egyptian math, or—as math presenter Johnny Ball describes it—Russian multiplying.
Facebook users just got a new glimpse into — and a little control over — the myriad ways the social network tracks what they do when they’re not using Facebook. If you didn’t already realize it, by the
You Can Now Stop Facebook From Tracking Your Activity on Other Websites. Here's How The 'Off-Facebook Activity' tool allows you to control what information about you is tracked and associated with your