A brief overlook of ‘ALL ABOUT INTERNET IN 2009’ is given below. Users, No. of Emails sent, Websites etc. etc.,
Let’s Start.

Web Browsers

 

Email

• 90 trillion – The number of emails sent on the Internet in 2009.
• 247 billion – Average number of email messages per day.
• 1.4 billion – The number of email users worldwide.
• 100 million – New email users since the year before.
• 81% – The percentage of emails that were spam.
• 92% – Peak spam levels late in the year.
• 24% – Increase in spam since last year.
• 200 billion – The number of spam emails per day (assuming 81% are spam).

Websites

• 234 million – The number of websites as of December 2009.
• 47 million – Added websites in 2009.

Web servers

 

• 13.9% – The growth of Apache websites in 2009.
• -22.1% – The growth of IIS websites in 2009.
• 35.0% – The growth of Google GFE websites in 2009.
• 384.4% – The growth of Nginx websites in 2009.
• -72.4% – The growth of Lighttpd websites in 2009.

Domain names

• 81.8 million – .COM domain names at the end of 2009.
• 12.3 million – .NET domain names at the end of 2009.
• 7.8 million – .ORG domain names at the end of 2009.
• 76.3 million – The number of country code top-level domains (e.g. .CN, .UK, .DE, etc.).
• 187 million – The number of domain names across all top-level domains (October 2009).
• 8% – The increase in domain names since the year before.

Internet users

 

• 1.73 billion – Internet users worldwide (September 2009).
• 18% – Increase in Internet users since the previous year.
• 738,257,230 – Internet users in Asia.
• 418,029,796 – Internet users in Europe.
• 252,908,000 – Internet users in North America.
• 179,031,479 – Internet users in Latin America / Caribbean.
• 67,371,700 – Internet users in Africa.
• 57,425,046 – Internet users in the Middle East.
• 20,970,490 – Internet users in Oceania / Australia.

Social media

• 126 million – The number of blogs on the Internet (as tracked by BlogPulse).
• 84% – Percent of social network sites with more women than men.
• 27.3 million – Number of tweets on Twitter per day (November, 2009)
• 57% – Percentage of Twitter’s user base located in the United States.
• 4.25 million – People following @aplusk (Ashton Kutcher, Twitter’s most followed user).
• 350 million – People on Facebook.
• 50% – Percentage of Facebook users that log in every day.
• 500,000 – The number of active Facebook applications.

Images

• 4 billion – Photos hosted by Flickr (October 2009).
• 2.5 billion – Photos uploaded each month to Facebook.
• 30 billion – At the current rate, the number of photos uploaded to Facebook per year.

Videos

• 1 billion – The total number of videos YouTube serves in one day.
• 12.2 billion – Videos viewed per month on YouTube in the US (November 2009).
• 924 million – Videos viewed per month on Hulu in the US (November 2009).
• 182 – The number of online videos the average Internet user watches in a month (USA).
• 82% – Percentage of Internet users that view videos online (USA).
• 39.4% – YouTube online video market share (USA).
• 81.9% – Percentage of embedded videos on blogs that are YouTube videos.

Malicious software

• 148,000 – New zombie computers created per day (used in botnets for sending spam, etc.)
• 2.6 million – Amount of malicious code threats at the start of 2009 (viruses, trojans, etc.)
• 921,143 – The number of new malicious code signatures added by Symantec in Q4 2009.

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Data sources: Internet user stats from Internet World Stats.  Domain name stats from Verisign and Webhosting.info. Web browser stats from Net Applications. Email stats from Radicati Group. Spam stats from McAfee. Malware stats from Symantec (and here) and McAfee.  Social media stats from BlogPulse, Pingdom (here and here), Twittercounter, Facebook and GigaOm.Website and web server stats from Netcraft.Online video stats from Comscore, Sysomos and YouTube.Photo stats from Flickr and Facebook.

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Bad request 400

 

The request could not be understood by the server due to bad syntax. You should not repeat the request without modifications.

 

Unauthorized 401

 

The creators of a Web page may want only certain people have access to that page. You should only retry the request if you know that you have authorization.

 

 

PaymentRequired 402

 

This message gives a specification of charging schemes which are acceptable. You may retry the request with a suitable ChargeTo header.

 

Forbidden 403

 

The request is for something forbidden. Authorization will not help. This status code is commonly used when the server does not wish to reveal exactly why the request has been refused, or when no other response is applicable. (The file needs to be set with "read permissions" for all users.)

Not found 404

 

The server has not found anything matching what you requested. Make sure that the Web address (URL) that you typed in exactly matches the address you were given. Check that the capitalization matches, spelling, and punctuation, like dots (.) and slashes (/), are correctly placed. Be sure you are using the forward slash (/) and not the backward slash (\).

 

405 Method Not Allowed

 

The method specified in the Request-Line is not allowed for the resource identified by the request. The response must include an Allow header containing a list of valid methods for the requested resource.

 

406 Not Acceptable

 

The resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request.

 

407 Proxy Authentication

 

RequiredThis code is similar to 401 (Unauthorized), but indicates that you must first authenticate yourself with the proxy. The proxy must return a Proxy-Authenticate header field (section 14.33) containing a challenge applicable to the proxy for the requested resource. You may repeat the request with a suitable Proxy-Authorization header field (section 14.34). HTTP access authentication is explained in section 11.

 

408 Request Timeout

 

The client did not produce a request within the time that the server was prepared to wait. You may repeat the request without modifications at any later time.

 

409 Conflict

 

The request could not be completed due to a conflict with the current state of the resource. This code is only allowed in situations where it is expected that the user might be able to resolve the conflict and resubmit the request.

 

410 Gone

 

The 410 response is primarily intended to assist the task of web maintenance by notifying the recipient that the resource is intentionally unavailable and that the server owners want remote links to that resource be removed.

 

411 Length

 

The server refuses to accept the request without a defined Content- Length. The client may repeat the request if it adds a valid Content-Length header field containing the length of the message-body in the request message.

 

412 Precondition Failed

 

The precondition given in one or more of the request-header fields evaluated to false when it was tested on the server. This response code allows the client to place preconditions on the current resource metainformation (header field data) and thus prevent the requested method from being applied to a resource other than the one intended.

 

413 Request Entity Too Large

 

The server is refusing to process a request because the request entity is larger than the server is willing or able to process. The server may close the connection to prevent the client from continuing the request.

 

414 Request-URI Too Long

 

The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret.

 

415 Unsupported Media Type

 

The server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method.

 

Internal Error 500

 

The server encountered an unexpected condition which prevented it from fulfilling the request. Your request could not be processed due to an internal server error.

 

Not implemented 501

 

The server does not support the functionality required to fulfill the request. This is the appropriate response when the server does not recognize the request method and is not capable of supporting it for any resource.

 

502 Bad Gateway

 

The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.

 

503 Service Unavailable

 

The server is currently unable to handle the request due to a temporary overloading or maintenance of the server. The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay may be indicated in a Retry-After header. If no Retry-After is given, you should handle the response as it would for a 500 response.

 

504 Gateway Timeout

 

The server, while acting as a gateway or proxy, did not receive a timely response from the upstream server it accessed in attempting to complete the request.

 

505 HTTP Version Not Supported

 

The server does not support, or refuses to support, the HTTP protocol version that was used in the request message. The response should contain an entity describing why that version is not supported and what other protocols are supported by that server.

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Windows1 | Nov 20 1985

 

Windows2 | Nov 1987

 

Windows3 | 22 May 1990

 

Windows3.1 | Apr 1992

 

Windows3.11 (an Update of Windows3.1)

 

Windows95 | 24 Aug 1995

 

Windows98 (97-98) | 25 Jun 1988

 

Windows2000 | 17 Feb 2000

 

WindowsMe | Sep 4 2000

 

WindowsXp | 25 Oct 2001

 

Windows Server 2003 | 13 Mar 2007

Windows Home Server | 16 July 2007

Windows Vista | 30 Jan 2007

 

Windows7 | (Scheduled for release Sep-Oct 2009)

 

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When all of a sudden the computer stops responding or in otherwords say gets hanged , the last resort we adapt is pressing Ctrl+Alt+Del and selecting the associate non-responding program to end it immediately.

In 1980, David Bradle was sitting infront of his computer and all of a sudden he faced this horrifying situation. Computer stopped responding. The only way to get it responding is to restart or switchof the power butten. He thought of coming with a small code so as to end the program with out shutting down the computer.The time taken for writing this code is 1 and half minute. Then afterwards Microsoft started using this code in its OS.

Ctrl+Alt+Del has become all time Super Hit command.

Cheers to David

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