FACEBOOK
Facebook is an online social networking service. Its name comes from a colloquialism for the directory given to students at some American universities. Facebook was founded on February 4, 2004 by Mark Zuckerberg with his college roommates and fellowHarvard 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, the Ivy League,
andStanford University. It gradually added support for students at various
other universities before it opened to high-school students, and eventually to
anyone aged 13 and over. Facebook now allows anyone who claims to be at least
13 years old to become a registered user of the website.
YOUTUBE
YouTube is a video-sharing website, created by three former PayPal employees in February 2005 and owned by Google since late 2006, on which users can upload, view and
share videos. The company is
based in San Bruno, California, and uses AdobeFlash Video and HTML5 technology to display a wide variety of user-generated video content, including video clips,
TV clips, andmusic videos,
and amateur content such as video blogging,
short original videos, and educational videos
WHATS APP
WhatsApp Messenger is a proprietary, cross-platform instant messaging subscription service for smartphones. In addition to text messaging, users can send each other
images, video, and audio media messages as well as their location using
integrated mapping features. The client software is available for Google Android, BlackBerry OS, Apple iOS,
selected Nokia Series
40, Symbian, selectedNokia Asha platform, Microsoft Windows Phone and BlackBerry 10. WhatsApp Inc. was founded in 2009 by Americans Brian
Actonand Jan
Koum (also the
CEO), both former employees of Yahoo!, and is based in Mountain View, California. The
company employs 55 people.
Instagram is an online photo-sharing, video-sharing and social
networking service that enables
its users to take pictures and videos, apply digital filters to them, and share them on a variety of social
networking services, such as Facebook, Twitter, Tumblr and Flickr. A distinctive feature is that it confines photos to a
square shape, similar to Kodak Instamatic and Polaroid images, in contrast to the 16:9 aspect
ratio now typically used by
mobile device cameras. Users are also able to record and share short videos
lasting for up to 15 seconds.
TWITTER
Twitter is an online social
networking and microblogging service that enables users to send and read "tweets",
which are text messages limited to 140 characters. Registered users can
read and post tweets, but unregistered users can only read them. Users access
Twitter through the website interface, SMS, or mobile device app. Twitter Inc. is based in San Francisco and has offices inNew York City, Boston, San Antonio and Detroit.
VINE
Vine is a mobile app owned by Twitter that enables its users to create and post short looping video clips. Video clips created with Vine
have a maximum clip length of six seconds and can be shared to Vine's social
network, or to other services such as Twitter - which acquired the app in
October 2012 - and Facebook.