OK, I've been using laptops since their inception.

Stevia Stevia has been widely used as a natural sweetener in South America for centuries and in Japan since 1970.

I was, in the 1960s, in a marriage. To use the word bad would be perhaps the understatement of the year.

For 150 years, absorption chillers have been used to make ice (before the electric light bulbs were invented).

Debt equity swaps have been used successfully in many cases, and they follow from normal bankruptcy procedures.

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Used with permission.

Used with permission.

Used with permission

Used with permission

Used with permission.

Image by Techo.org, used with permission.

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Used with permission.

Used with permission.

Used with permission.

Used with permission.

This is the only way in which Honduras will be able to move forward. Photo by Claudia, used with permission.

Photo Personal files, used with permission

Photo courtesy of Leila.

Cellular phones were used as timers in the attacks in Madrid last March.

Photo by Olya Suprun, used with permission.

Image by Antony Loveless, used with permission.

Photo by Ehsan Amiri. (used with permission)

Photo by Vasil Buraliev, used with permission.

Via Baztab.net (used with permission)

Image by Nasim Fekrat, used with permission.

Then he began playing his charango. Photo by Mijhail Calle, used with permission.

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Photo by Olha Harbovska. Used with permission.

Image by Gulzhan Turdubayeva, used with permission.

Credit Daniel Estrin.

IMAGE Public domain via Pixabay

Photo by Ibrahem Qasim (CC BY SA 2.0)

Incompatible command line options used.

Photo by Olya Suprun, used with permission.

Image by Antony Loveless, used with permission.

Image by Alex Ford, used with permission.

Image by Steve Blake, used with permission.

Image by Aleksander Nikolov, used with permission.

Photo by Arif Hossain Sayeed, used with permission.

Image used under the Creative Commons license.

Blue has been used for teaching since 1997.

The Galileo spacecraft used multiple 1802 microprocessors.

They used swords purchased from stores.