Remove yourself from people search sites and erase your online presence

There is now a very thin line, easily broken, which separates our physical and digital identities. Social networks have evolved from the days of MySpace to valuable, data-slurping machines that have information on everything from our friends and family to our voting habits.

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The Strange Numbers That Birthed Modern Algebra

Imagine winding the hour hand of a clock back from 3 o’clock to noon. Mathematicians have long known how to describe this rotation as a simple multiplication: A number representing the initial position of the hour hand on the plane is multiplied by another constant number.

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