A key requirement of digital computers is the ability to use logical functions to perform arithmetic operations. The basis of this is addition; if we can add two binary numbers, we can just as easily subtract them, or get a little fancier and perform multiplication and division. How, then, do we add two binary numbers?
If you’re headed to PayPal’s big developer conference in San Francisco today, you may spot an unusual landmark sitting in front of the Moscone Center: a massive, 600 pound block of ice with hundreds of dollars locked beneath the surface. The frigid booty comes compliments of the WePayteam, and they’re trolling PayPal’s conference in an effort to tell everyone in attendance that “PayPal freezes your accounts” and that you should “unfreeze your money”… by switching to WePay, of course.
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