160 billion emails are sent daily, 97% of which are spam. Spam generates 33 billion KWt-hours of energy every year, enough to power 2.4 mil...
- 160 billion emails are sent daily, 97% of which are spam.
- Spam generates 33 billion 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 infected with spam.
- Spammer get 1 response to every 12 million emails they send (yet it still makes them a small profit).
- A twillionaire is a twitterer with a million or more followers.
- There are some 1 billion computers in use.
- There are some 2 billion TV sets in use.
- There are more than 4 billion cell phones in use. About 3 million cell phones are sold every day.
- The first known cell phone virus, Cabir, appeared in 2004.
- Since 2008, video games have outsold movie DVDs.
- Amazon sells more e-books than printed books.
- Facebook has 500 million registered users, about 100 million less than QQ.
- About 1.8 billion people connect to the Internet, 450 million of them speak English.
- 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 session 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 Kroloppand weighed 2 pounds.
- About 20% of the videos on YouTube are music related.
- 24 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.
4 bit = 1 nibble
8 Bits = 1 Byte
1024 Bytes = 1 Kilobyte
1024 Kilobytes = 1 Megabyte
1024 Megabytes = 1 Gigabyte
1024 Gigabytes = 1 Terabyte
1024 Terabytes = 1 Petabyte
1024 Petabytes = 1 Exabyte
1024 Exabytes = 1 Zettabyte
1024 Zettabytes = 1 Yottabyte
1024 Yottabytes = 1 Brontobyte
1024 Brontobytes = 1 Geopbyte
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