Emails and Spam Facts:
- 60 billion emails are sent daily, 97% of which 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 infected with spam.
- Spammer get 1 response to every 12 million emails they send (yet it still makes them a small profit).
Social Media:
- 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.
- Facebook has 500 million registered users… and still about 100 million less than QQ – a Chinese social media portal.
- 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 5 billion photographs, Facebook hosts more than 15 billion.
Gadgets & Technology:
- 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.
- 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.A, appeared in 2004.
- Since 2008, video games have outsold movie DVDs.
Search Engines, Internet and Energy:
- Amazon now sells more e-books than printed books.
- About 1.8 billion people connect to the Internet, only 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 tea 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.
Information Technology:
- IBM celebrated 100 years in business in 2011 in honor of the formation of the core predecessor companies that would become International Business Machines under one combined umbrella in 1911.
- In 1981, IBM started the PC revolution with the introduction of the IBM 5150, a compact personal computer that smoked mainframe processing and came at a price tag of under $1,600.
- IBM invests $6 billion a year on research.
- Microsoft was originally named Micro-Soft. They dropped the dash in 1976.
- Microsoft total revenue in its 1st year: $16,000
[Source-Internet]
Fernaz Narin Nur.
Lecturer,
Dept. of CSE.