Technology

• 160 billion emails are sent daily, 97% of them are spam.
• Spam generates 33bn KWt-hours of energy every year, enough to power 2.4 million homes, producing 17 million tons of CO2.
• 9 out of every 1,000 computers are invected with spam.
• Spammer get 1 response to every 12 million emails they send (yet it still makes them a small profit).
• There are some 1 billion computers in use.
• There are some 2 billion TV sets in use.
• There are some 3 billion cell phones in use. About 3 million cell phones are sold every day.
• The first known cell phone virus, Cabir.A, appeared in 2004.
• Since 2008, video games have outsold movie DVDs.
• About 1.6 billion people connect to the internet, 450 million of them speak English. See list of internet languages.
• Google indexed it's 1 trillionth unique URL on July 25, 2008. That is thought to be about 20% of all the pages on the Internet but a high percentage of the World Wide Web (the public Internet).
• One google search produces about 0.2g of CO2. But since you hardly get an answer from one search, a typical search sension produces about the same amount of CO2 as does boiling a kettle.
• Google handles about 1 billion search queries per day, releasing some 200 tons of CO2 per day.
• The average US household uses 10.6 megawatt-hours (MWh) electricity per year.
• Google uses an estimated 15 billion kWh of electricity per year, more than most countries. However, google generates a lot of their own power with their solar panels.
• The first public cell phone call was made on April 3, 1973 by Martin Cooper.
• The Motorola DynaTAC 8000X was the first cell phone sold in the US; launched on April 11, 1984, it was designed by Rudy Krolopp and weighed 2 pounds.
• About 20% of the videos on YouTube is music related.
• 10 hours of video viewing is uploaded every minute on YouTube.
• People view 15 billion videos online every month.
• On average, US onliners view 100 videos per month each.
• Flickr hosts some 3 billion photographs, FaceBook hosts more than 10 billion.