The creator of Facebook Mark Zuckerberg, Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes. The Facebook website was launched on February 4, 2004. Facebook may be accessed by a large range of desktops, laptops, tablet computers, and smartphones over the Internet and mobile networks.
why use blue color in facebook
The website’s primary color is blue because Mark Zuckerberg is red-green colorblind, a realization that occurred after a test undertaken around 2007, he explained in 2010, “blue is the richest color for me, I can see all of blue.
facebook chat and android app
Facebook Messenger is an instant messaging service and software application. Originally developed as Facebook Chat in 2008, the company revamped its messaging service in 2010, and subsequently released standalone iOS and Android apps in August 2011.
like and following button
The like button first enabled on February 9, 2009, enables users to easily interact with status updates, comments, photos, links shared by friends, and advertisements.
On September 14, 2011, Facebook added the ability for users to provide a “Subscribe” button on their page, which allows users to subscribe to public postings by the user without needing to add him In December 2012, the Subscribe button would be re-labeled as a “Follow” button.
facebook Written in C++, PHP (as HHVM) and D language
User growth of facebook
August 2008 100 million
January 2009 150 million
july 2009 250 million
September 2009 300 million
February 2010 400 million
July 2010 500 million
October 2013 1.19 billion
April 2015 1.44 billion
July 2016 1.71 billion
March 2017 1.94 billion
June 2017 2 billion
Google+ launched in June 2011. it is an interest-based social network that is owned and operated by Google.
Post photos and status updates to the stream or interest-based communities, a multi-person instant messaging, text and video chat called Hangouts, events, location tagging, and the ability to edit and upload photos to private cloud-based albums.
Users of Google+
2011 10 million users just two weeks after the launch
This month 25 million
October 2011 40 million
end of 2011 90 million
October 2013 540 million
YouTube is an American video-sharing website .the creater of youtube is Chad Hurley, Steve Chen, and Jawed Karim and they are paypal employees.the youtube is activated February 14, 2005 at 9:13 p.m. Google bought the site in November 2006 for US $1.65 billion; YouTube now operates as one of Google’s subsidiaries
YouTube earns advertising revenue from Google AdSense, a program which targets ads according to site content and audience. The vast majority of its videos are free to view, but there are exceptions, including subscription-based premium channels, film rentals
The first YouTube video, titled Me at the zoo, shows co-founder Jawed Karim at the San Diego Zoo. The video was uploaded on April 23, 2005, .they are more than 400 hours of content uploaded to YouTube each minute in February 2017.
Instagram is a mobile, desktop, and internet-based photo-sharing application and service that allows users to share pictures and videos either publicly or privately
2010 after two month 1 million
after one year 10 million
april 2017 375 million active users
Twitter was created in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams and launched in July of that year.
Twitter is an online news and social networking service where users post and interact with messages, “tweets”, restricted to 140 characters.
March 21, 2006, Dorsey published the first Twitter message at 9:50 PM Pacific Standard Time (PST) “just setting up my twttr”
2007 400,000 tweets posted per quarter
2008 100 million tweets posted per quarter
February 2010 Twitter users were sending 50 million tweets per day
June 2010 about 65 million tweets were posted each day
March 2011 140 million tweets posted daily