Social Gyan

Do you know about Twitter ?  T witter is an online news and social networking service where users post and interact with messages,"tweets," restricted to 140 characters. Registered users can post tweets, but those who are unregistered can only read them. Users access Twitter through its website interface, SMS or a mobile device app. Twitter Inc. is based in San Francisco, California, United States, and has more than 25 offices around the world.              They are the twitter's creator Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams  Twitter was created in March 2006 by  Jack Dorsey ,  Noah Glass , Biz Stone , and Evan Williams and launched in July, whereby the service rapidly gained worldwide popularity. In 2012, more than 100 million users posted 340 million tweets a day, and the service handled an average of 1.6 billion search queries per day. In 2013, it was one of the ten most­visited websites and has been described as "the SMS of the Int

Do you know about   Instagram ? Instagram is a mobile photo­sharing application and service that allows users to share pictures and videos either publicly or privately on the service, as well as through a variety of other social networking platforms, such as Facebook , Twitter , Tumblr , and Flickr . Originally, a distinctive feature was that it confined photos to a square shape, similar to Kodak Instamatic and Polaroid SX­70 images, in contrast to the 4:3 aspect ratio typically used by mobile device cameras. In August 2015, version 7.5 was released for mobile devices, allowing users to upload media captured in any aspect ratio, but not at full size. Users can also apply various digital filters to their images. In June 2013, Instagram added support for videos, allowing prerecorded square standard definition resolution clips of up to 15 seconds to be shared; later updates introduced support for widescreen resolutions at 360p and longer recording times for either pre­recorde

Do you know about facebook ? F acebook is an American for­profit corporation and online social media and social networking service based in Menlo Park , California. this pic was taken from hear:  https://i.ytimg.com/vi/AIg4F2mwmc0/maxresdefault.jpg The Facebook website was launched on February 4, 2004, by Mark Zuckerberg ,  along with fellow Harvard College students and roommates, Eduardo Saverin , Andrew McCollum , Dustin Moskovitz , and Chris Hughes .  The Facebook name comes from the face book directories often given to United States university students. Facebook may be accessed by a large range of desktops, laptops, tablet computers, and smartphones over the Internet and mobile networks. After registering to use the site, users can create a user profile indicating their name, occupation, schools attended and so on. Users can add other users as "friends", exchange messages, post status updates and digital photos, share digital videos and links, use