StumbleUpon was a browser extension, toolbar, and mobile app with a "Stumble!" button that, when pushed, opened a semi-random website or video that matched the user's interests, similar to a random web search engine. Users were able to filter results by type of content and were able to discuss such webpages via virtual communities and to rate such webpages via like buttons. StumbleUpon was shut down in June 2018.
Jason McCabe Calacanis is an American Internet entrepreneur, angel investor, author and podcaster.
Justin Kan is an American internet entrepreneur and investor. He is the co-founder of live video platforms Justin.tv and Twitch, as well as the mobile social video application Socialcam. He is also the cofounder and former CEO of law-tech company Atrium. In 2024, Kan announced that he had founded Stash, a payment and e-commerce platform for video game developers.
Kevin Rose is an American Internet entrepreneur who co-founded Revision3, Digg, Pownce, and Milk. He also served as production assistant and co-host at TechTV's The Screen Savers. From 2012 to 2015, he was a venture partner at GV.
Digg, stylized in lowercase as digg, is an American news aggregator with a curated front page, aiming to select stories specifically for the Internet audience such as science, trending political issues, and viral Internet issues. It was launched in its current form on July 31, 2012, with support for sharing content to other social platforms such as Twitter and Facebook.
Michael Jones is an American entrepreneur, investor and CEO of Science Inc. In 2017, Jones was named one of Los Angeles's 500 most influential people by the Los Angeles Business Journal.
Timothy Ferriss is an American entrepreneur, investor, author, podcaster, and lifestyle guru. He was known for his 4-Hour self-help book series—including The 4-Hour Work Week, The 4-Hour Body, and The 4-Hour Chef—that focused on lifestyle optimizations, but he has since reconsidered this approach.
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.
Marco Arment is an American iOS developer and web developer, podcaster, technology writer and former magazine editor. As a developer, he is best known for being chief technology officer for Tumblr and creating Instapaper and Overcast.
Pinterest is an American image sharing and social media service designed to enable saving and discovery of information like recipes, home, style, motivation, and inspiration on the internet using images and, on a smaller scale, animated GIFs and videos, in the form of pinboards. Created by Ben Silbermann, Paul Sciarra, and Evan Sharp, Pinterest, Inc. is headquartered in San Francisco.
Instapaper is a social bookmarking service that allows web content to be saved so it can be "read later" on a different device, such as an e-reader, smartphone, or tablet. The service was founded in 2008 by Marco Arment. In April 2013, Arment sold a majority stake to Betaworks and by mid 2016 Pinterest acquired the company. In July 2018, ownership of Instapaper was transferred from Pinterest to a newly formed company Instant Paper, Inc. The transition was completed on August 6, 2018.
Skimlinks is a content monetisation platform for online publishers. It specialises in technology that automatically affiliates product links from publishers' commerce content.
Namo Media was a technology startup providing in-stream advertisements for mobile applications. It was acquired by Twitter in June 2014 for between $50M and $100M.
Giphy, styled as GIPHY, is an American online database and search engine that allows users to search for and share animated GIF files.
Matt Williams is an American Internet entrepreneur and the CEO of Pro.com. Previous positions include CEO of Digg.com, executive roles at Amazon, and Entrepreneur-In-Residence at venture capital firm Andreessen Horowitz.
This is a timeline of Pinterest, an Internet service that serves as a "visual discovery tool", as well as the eponymous company.
Chartbeat is a technology company that provides data and analytics to global publishers. The company was started in 2009 and is headquartered in New York City, US. The software as a service (SaaS) company integrates code into the websites of publishers, media companies and news organizations to track users in order to monetize audience engagement and loyalty metrics so they can make decisions about the content to publish and promote on their Web sites. In August 2010, the company was spun off from Betaworks as a separate entity. Chartbeat has been both praised and criticized as an alternative to Google Analytics for real-time data.
Jonathan Abrams is a Canadian engineer, entrepreneur, and investor. He is best known as the founder of Friendster where he worked from 2002 to 2005. He then founded Socializr, where he worked from 2005 to 2010, and Nuzzel, where he stayed from 2012 to 2018. He has invested in over 50 companies, including Docker and Instacart. He was the owner of a patent for a "System, method, and apparatus for connecting users in an online computer system based on their relationships within social networks". This, and Friendster's other patents, were bought by Facebook for $40 million in 2010.
