Computer cookies, just as baked cookies, contain small bits in them. Instead of chocolate chips or raisins, computer cookies have in them bits of data. Usually innocuous and helpful, cookies may on occasion be detrimental to safe computing.
When you buy your next electronic gadget during the next few months, whether for yourself or a gift, chances are the salesperson will ask if you want to add an extended warranty to the purchase. You're under pressure to decide in a few seconds whether or not to spend about 15 percent of the device's value to protect it. I almost always decline these offers.
Every afternoon when my mail gets delivered, I can't help but notice how few junk letters I receive. I get a couple of bills, a magazine, the occasional package and maybe a solicitation from a local business or two. That's it. A few years ago I got piles of paper every day. The bulk of junk mail today is sent electronically.
Back in the day, if you wanted Internet access, you needed an Ethernet connection; you were tethered to a cable. Then came wireless Internet or Wi-Fi. It's also called WLAN or Wireless LAN, which is Wireless Local Area Network. The technical term for it is 802.11, which is the set of standards for wireless in the 2.4-5 GHz frequency bands.