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The average computer user blinks just seven times a minute.

Research suggests that the average computer user blinks significantly less than normal while at their screen.

A person normally blinks around 20 times per minute. This is sufficient for the eyes to be replenished with tears, and also gets rid of unwanted debris. This is reduced by as much as 7.5 blinks per minute when you are concentrating on your computer screen – less than half the average.

Your eyes are relatively at rest and relaxed when you look in the distance, but the muscles in your eyes have to work harder to keep a near focus while doing near work.

It is said that we blink seven times per minute instead of the usual 20. Hence why your eyes dry out more while working in front of a monitor.

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The QWERTY keyboard was originally designed to slow you down.

When typewriters were introduced, typing too fast would jam the keys.

Using a QWERTY keyboard spaced out commonly used characters to slow typists down and prevent jamming.

In their first experiment, the researchers analyzed 1,000-word indexes from English, Spanish and Dutch, comparing their perceived positivity with their location on the QWERTY keyboard.

The effect was slight but significant: Right-sided words scored more positively than left-sided words.

If you wanted to learn a more efficient keyboard, Dvorak is made for speed.

While we’re on the subject of keyboards and typing, did you know that on a typical work day, a typists’ fingers will “travel” about 12.6 miles.


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Megabytes used to weigh hundreds of pounds.

More specifically, 5 megabytes of data weighed one ton.

In 1956, the first computer had something similar to a hard drive.

At the time, it was a huge leap in storage capabilities, but the cabinet that contained the hard drive weighed over 2,200 pounds and could hold 5 MBs of data.