TECH

U.S. Infrastructure (magazine) :

Click on the illustration to get the full-size infographic

Listening, reading online, tweeting, building Facebook walls, downloading or uploading, building websites, sending e-mails (or receiving them !)... All these online activities need to be powered ! Between 2000 and 2005, the power needed to power the Internet and the servers doubled worldwide.

Read the article below :

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The American "cell phone behaviour"...

...was analysed by "Pew Internet" : they released a study which showed that if 65% of the American adults regularly use text messaging in September 2009, one year later 72% of them do.  The study also pointed out 90% of 18 to 29-year old sleep with their cell phone 'on' whereas only 34% of 65-year old do it. Today the American teenagers text 50 messages a day on average : it's 5 times more than the average 10 text messages sent/received per day by adults !

Other   interesting   pieces   of   information [just click ⇓] are illustrated below :

"Cell phones and American adults - They make just as many calls, but text less often than teens"

Click on the purple folder & read the full report below :

by Amanda Lenhart, Senior Research Specialist
(September 02, 2010)

TECH - AUDIO training

Watch the video closely

then find the mistakes you must avoid during an interview :

From the 1830's to nowadays, this graphic focuses on the cars designed and created to be powered by electricity only : 

click ^^^ on the picture

to view the full-size graphic.

Here you are shown the main steps in the history of electric cars : their internal combustion engine is replaced with electric motors.