Facebook

Facebook


Facebook  is an online social networking service headquartered in Menlo Park, California. Its website was launched on February 4, 2004, by Mark Zuckerberg with his college roommates and fellow Harvard University students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes.The founders had initially limited the website's membership to Harvard students, but later expanded it to colleges in the Boston area, theIvy League, and Stanford University. It gradually added support for students at various other universities and later to high-school students. Facebook now allows anyone who claims to be at least 13 years old to become a registered user of the website. Its name comes from a colloquialism for the directory given to it by American universities students

History






Zuckerberg wrote a program called Facemash on October 28, 2003 while attending Harvard as a sophomore. According to The Harvard Crimson, the site was comparable to Hot or Not and "used photos compiled from the online facebooks of nine houses, placing two next to each other at a time and asking users to choose the 'hotter' person"

To accomplish this, Zuckerberg hacked into protected areas of Harvard's computer network and copied private dormitory ID images. Harvard did not have a student "Facebook" (a directory with photos and basic information) at the time, although individual houses had been issuing their own paper facebooks since the mid-1980s. Facemash attracted 450 visitors and 22,000 photo-views in its first four hours online.



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Gmail

Gmail



Gmail is a free, advertising-supported email service provided by Google. Users may access Gmail as securewebmail, as well as via POP3 or IMAP4 protocols. Gmail initially started as an invitation-only beta release on April 1, 2004and it became available to the general public on February 7, 2007, though still in beta status at that time.The service was upgraded from beta status on July 7, 2009, along with the rest of the Google Apps suite.

With an initial storage capacity offer of 1 GB per user, Gmail significantly increased the webmail standard for free storage from the 2 to 4 MB its competitors such as Hotmail offered at that time. Individual Gmail messages, including attachments, may be up to 25 MB.Gmail has a search-oriented interface and a "conversation view" similar to an Internet forum. Gmail is noted by web developers for its pioneering use of Ajax. Gmail runs on Google GFE/2.0 on Linux. As of June 2012, it was the most widely used web-based email provider with over 425 million active users worldwide. According to a 2014 estimate, 60% of mid-sized US companies were using Gmail. In May 2014, Gmail became the first app on the Google Play Store to hit one billion installations on Android devices.



History




The idea for Gmail was pitched by Rajen Sheth during an interview with Google, and went on to be developed by Paul Buchheit several years before it was announced to the public. The project was known by the code name Caribou. Initially the email client was available for use only by Google employees internally. Gmail was announced to the public by Google on April 1, 2004 as a limited beta release and was made publicly available on February 7, 2007. Gmail exited from the beta status on July 7, 2009.

As of June 22, 2005, Gmail's canonical URI changed from http://gmail.google.com/gmail/ to http://mail.google.com/mail/. starting in December 2012, those who typed in the former URI were redirected to the latter. Gmail added IMAP support on October 24, 2007.






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Samsung

Samsung



Samsung is a South Korean multinationalconglomerate company headquartered in Samsung Town, Seoul. It comprises numerous subsidiaries and affiliated businesses, most of them united under the Samsung brand, and is the largest South Korean chaebol (business conglomerate).
Samsung was founded by Lee Byung-chul in 1938 as a trading company. Over the next three decades, the group diversified into areas including food processing, textiles, insurance, securities and retail. Samsung entered theelectronics industry in the late 1960s and the construction and shipbuilding industries in the mid-1970s; these areas would drive its subsequent growth. Following Lee's death in 1987, Samsung was separated into four business groups – Samsung Group, Shinsegae Group, CJ Group and Hansol Group. Since 1990s, Samsung has increasingly globalized its activities, and electronics, particularly mobile phones and semiconductors, have become its most important source of income.


History



In 1938, Lee Byung-chull (1910–1987) of a large landowning family in the Uiryeong county came to the nearby Daegucity and founded Samsung Sanghoe (삼성상회, 三星商會), a small trading company with forty employees located in Su-dong (now Ingyo-dong).[15] It dealt in groceries produced in and around the city and produced its own noodles. The company prospered and Lee moved its head office to Seoul in 1947. When the Korean War broke out, however, he was forced to leave Seoul and started a sugar refinery in Busan named Cheil Jedang. After the war, in 1954, Lee founded Cheil Mojik and built the plant in Chimsan-dong, Daegu. It was the largest woolen mill ever in the country and the company took on the aspect of a major company.







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iPhone

iPhone



iPhone is a line of smartphones designed and marketed by Apple Inc. It runs Apple's iOS mobile operating system.The first generation iPhone was released on June 29, 2007; the most recent iPhone models are the iPhone 6 and iPhone 6 Plus, which were unveiled at a special event on September 9, 2014.

The user interface is built around the device's multi-touch screen, including a virtual keyboard. The iPhone has Wi-Fiand can connect to many cellular networks, including 1xRTT (represented by a 1x on the status bar) and GPRS (shown as GPRS on the status bar), EDGE (shown as a capital E on the status bar), UMTS and EV-DO (shown as 3G), a faster version of UMTS and 4G (shown as a 4G symbol on the status bar), and LTE (shown as LTE on the status bar). An iPhone can shoot video (though this was not a standard feature until the iPhone 3GS), take photos, play music, send and receive email, browse the web, send texts, GPS navigation, record notes, do mathematical calculations, and receive visual voicemail.Other functions—video games, reference works, social networking, etc.—can be enabled by downloading application programs (‘apps’); as of October 2013, the App Store offered more than one million apps by Apple and third parties  and is ranked as the world's second largest mobile software distribution network of its kind (by number of currently available applications).



History


Development of what was to become the iPhone began in 2004, when Apple started to gather a team of 1000 employees to work on the highly confidential "Project Purple", including Jonathan Ive, the designer behind the iPhone. Apple CEO Steve Jobs steered the original focus away from a tablet, like the iPad, and towards a phone.Apple created the device during a secretive collaboration with AT&T Mobility—Cingular Wireless at the time—at an estimated development cost of US$150 million over thirty months.

SmartPhones 


  • Iphone 1
  • Iphone 2
  • Iphone 3
  • Iphone 3gs
  • Iphone 4
  • Iphone 4s
  • Iphone 5
  • Iphone 5s
  • Iphone 5c
  • Iphone 6
  • Iphone 6plus





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Google Nexus

Google Nexus



Google Nexus is a line of consumer electronic devices that run the Android operating system. Google manages the design, development, marketing, and support of these devices, but some development and all manufacturing are carried out by partnering original equipment manufacturers (OEMs). The product family consists mostly of mobile devices—six smartphones and four tablet computers have been released to date. As of October 2014, the devices currently available in the line are the Nexus 5 smartphone (made with partner LG Electronics), Nexus 6 smartphone (made with Motorola Mobility), Nexus 9 tablet (made with HTC), and Nexus Player set-top box (made with Asus).

Devices in the Nexus line are considered Google's flagship Android products. They contain little to no manufacturer or wireless carrier modifications to Android (such as custom graphical user interfaces), although devices sold through carriers are sometimes SIM locked and may bear some extra branding. Nexus 6 devices sold through AT&T, for example, are SIM locked and feature a custom boot splash screen and a logo on the back of the device, despite having otherwise identical hardware to the unlocked variant. The Verizon Galaxy Nexus featured a Verizon logo on the back and received software updates at a slower pace than the unlocked variant, though it featured different hardware to accommodate Verizon's CDMA network. All Nexus devices feature an unlockable bootloader to allow further development and end-user modification. Nexus devices are often among the first Android devices to receive updates to the operating system


Smartphones                                 


  •   Nexus One                                          
  •   Nexus S
  •   Galaxy Nexus
  •   Nexus 4
  •   Nexus 5
  •   Nexus 6



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