ImageShack is a subscription-based image hosting website headquartered at Los Gatos, California.
Jaiku was a social networking, micro-blogging and lifestreaming service comparable to Twitter, founded a month before the latter. Jaiku was founded in February 2006 by Jyri Engeström and Petteri Koponen from Finland and launched in July of that year. It was purchased by Google on October 9, 2007.
Seesmic was a suite of freeware web, mobile, and desktop applications which allowed users to simultaneously manage user accounts for multiple social networks, such as Facebook and Twitter.
The Facebook Platform is the set of services, tools, and products provided by the social networking service Facebook for third-party developers to create their own applications and services that access data in Facebook.
Ping.fm was an advertising-supported social networking and micro-blogging web service that enabled users to post to multiple social networks simultaneously.
TwitPic was a website and app that allowed users to post pictures to the Twitter microblogging service, which at the time of TwitPic's creation could not be posted to Twitter directly. TwitPic was often used by citizen journalists to upload and distribute pictures in near real-time as an event was taking place.
Howard Lindzon is a Canadian Author, financial analyst, technical analyst and super angel investor. Lindzon manages a hedge fund, serves as managing partner of the holding company Social Leverage, limited partner at Knight's Bridge Capital Partners, and is the co-founder of StockTwits. Lindzon was named one of The Best Tweets for Your Money in 2013 by Barron's.
Foursquare City Guide, commonly known as Foursquare, is a local search-and-discovery mobile app developed by Foursquare Labs Inc. The app provides personalized recommendations of places near a user's current location based on users' previous browsing history and check-in history.
Yahoo! Meme was a microblogging site launched by the Yahoo Latin America team in August 2009. The platform was conceived as a mash up of functionality derived from Twitter and Tumblr. Its beta version was originally launched to a Brazilian audience with later versions expanding into Spanish, English, Chinese, and Indonesian audiences.
Posterous was a simple blogging platform started in May 2008. It supported integrated and automatic posting to other social media tools such as Flickr, Twitter, and Facebook, a built-in Google Analytics package, and custom themes. It was based in San Francisco and funded by Y Combinator.
yfrog is a defunct image hosting service formerly run by ImageShack. It commenced operations in February 2009 and shut down in 2015. The service was designed primarily to allow users to share their photographs and videos as links on the Twitter microblogging platform.
iTunes Ping, or simply Ping, was a software-based, music-oriented social networking and recommender system developed and operated by Apple Inc. It was announced and launched on September 1, 2010, as part of the tenth major release of iTunes. The service launched with 1 million members[a] in 23 countries.
Tencent Weibo was a Chinese microblogging (weibo) website launched by Tencent in April 2010, and was shut down on September 28, 2020. Users could broadcast a message including 140 Chinese characters at most through the web, SMS or smartphone.
Google+ was a social network that was owned and operated by Google until it ceased operations in 2019. The network was launched on June 28, 2011, in an attempt to challenge other social networks, linking other Google products like Google Drive, Blogger and YouTube. The service, Google's fourth foray into social networking, experienced strong growth in its initial years, although usage statistics varied, depending on how the service was defined. Three Google executives oversaw the service, which underwent substantial changes that led to a redesign in November 2015.
GyPSii is a provider of geosocial networking applications and services for the iPhone, iPod, iPad, BlackBerry OS, Android and Java-based phones, Symbian S60 and S40, Windows Mobile and MID notebooks. The company is headquartered in Amsterdam, Netherlands, with offices in Asia and the United States.
PicMonkey is an online photo editing and design service that can be accessed from a web browser, or through a mobile app. The company behind the service is headquartered in downtown Seattle, Washington.
Topsy Labs was a social search and analytics company based in San Francisco, California. The company was a certified Twitter partner and maintained a comprehensive index of tweets, numbering in the hundreds of billions, dating back to Twitter's inception in 2006.
Stocktwits is a social media platform designed for sharing ideas between investors, traders, and entrepreneurs. Founded in 2008 by Howard Lindzon and Soren McBeth, it introduced the use of the cashtag, a way to group discussions around a stock symbol preceded by a dollar sign. Stocktwits eventually became a standalone network where users share market sentiment, ideas, and strategies in real-time.
The history of Twitter, later known as X, can be traced back to a brainstorming session at Odeo.
