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).
The first electronic mail, or "email", was sent in 1972 by Ray Tomlinson.
Queen Elizabeth of Britain sent her first email in 1976.
About 70% (133 billion emails) are spam and viruses.
There are about 1,4 billion registered email addresses.
- 60 billion e-mails are sent daily
- 90% of all email is spam
- 64% of spam servers are in Taiwan, 23% are in the US
- The average business user receives 25 email messages per day; increasing 10% per year
- The average business user spends 2.6 hours per day reading and responding to email
- 38% of employees have sent an e-mail without the required attachment
- 34.1% of users open an e-mail by 5 pm
- It takes 77 minutes a week for an employee to manage their mailbox, such as cleaning out old messages and filing old messages or attachments
- It takes 27 minutes for a user to delete or archive enough messages in order to be able to use the e-mail system again after hitting a "quota limit"
- It takes 8.2 minutes for a user to find an email that is older than two weeks
- E-mail click through ratio is best on Wednesdays, reaching 3.9%
- 60% of business correspondence has grammar or spelling errors
- 75% of adults prefer e-mail to IM, 75% of teens prefer IM to e-mail
- Less than one-fifth of teenagers use e-mail for communication
- 60% of an organisations's intellectual property is in the e-mail system
- The typical user stores more than one-half of his/her critical business information within the confines of the e-mail system
- 38% of US and UK companies monitor and read e-mails written by employees
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