Introduce a few universal chat software like WeChat? ! ? …

Twitter [1] (unofficially known as Twitter in Chinese) is an American social network and microblogging service website. It is one of the ten most visited websites on the global Internet. It is a typical application of microblog. It allows users to update messages of no more than 140 characters, also known as "Tweets." The service was founded by Jack Dorsey in March 2006 and launched in July of that year. Twitter is very popular around the world. According to Dick Costello, the current CEO of Twitter, Twitter has 140 million active users as of March 2012. Twitter is described as the "SMS service of the Internet."

Facebook[1] is a social network service website in the United States. It was launched on February 4, 2004, and the Windows version of the desktop chat software Facebook Messenger was released on March 6, 2012[2-3] . The main founder is American Mark Zuckerberg. Facebook is the world's leading photo-sharing site, with approximately 350 million photos uploaded every day as of November 2013. As of May 2012, Facebook had approximately 900 million users.

Tumblr (Chinese name: Tumblr) [1] Founded in 2007, it is currently the largest light blogging website in the world and the ancestor of light blogging websites. Tumblr is a new media form between traditional blogs and Weibo. It focuses on expression, social interaction, and personalized settings. It has become one of the most popular social networking sites among young people.

Pinterest[1] uses a waterfall flow to display image content, without the need for users to turn pages. New images are automatically loaded at the bottom of the page, allowing users to continuously discover new images.

Instagram is a cross-platform (iOS, Android, Windows Phone) picture social application. It wins the favor of users with its square photos and personalized filter effects. It is also equipped with powerful social sharing functions (supports Facebook, Social networking sites such as Twitter, Sina Weibo, and Tumblr) build a platform for users to quickly share life moments. The idea of ??Instagram comes from the instant camera, and the name is taken from "Instant (instant)" and "-gram (record)", which means "share photos instantly like a telegram"

LinkedIn is the world's largest Professional social networking website is a social network (SNS) for business customers, and its Chinese name is LinkedIn. LinkedIn was founded in December 2002 and launched in 2003. It was listed in the United States on May 20, 2011 and is headquartered in Mountain View, California, USA. The purpose of the website is to enable registered users to maintain contacts they know and trust in their business dealings, commonly known as "networks." Users can invite people they know to become people in the "Connections" circle. Now the number of users has reached 200 million, with an average of one new member joining every second. On February 25, 2014, the simplified Chinese version of LinkedIn was officially launched, and the Chinese name was announced as "LinkedIn".