Stock photographyStock photography is the supply of photographs which are often licensed for specific uses. The stock photo industry, which began to gain hold in the 1920s, has established models including traditional macrostock photography, midstock photography, and microstock photography. Conventional stock agencies charge from several hundred to several thousand US dollars per image, while microstock photography may sell for around US$25 cents.
DoubleClickDoubleClick Inc. was an American advertisement company that developed and provided Internet ad serving services from 1995 until its acquisition by Google in March 2008. DoubleClick offered technology products and services that were sold primarily to advertising agencies and mass media, serving businesses like Microsoft, General Motors, Coca-Cola, Motorola, L'Oréal, Palm, Inc., Apple Inc., Visa Inc., Nike, Inc., and Carlsberg Group.
FacebookFacebook is an online social media and social networking service owned by American technology giant Meta Platforms. Created in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students. Membership was initially limited to only Harvard students, gradually expanding to other North American universities and, since 2006, anyone over 13 years old.
AssortativityAssortativity, or assortative mixing, is a preference for a network's nodes to attach to others that are similar in some way. Though the specific measure of similarity may vary, network theorists often examine assortativity in terms of a node's degree. The addition of this characteristic to network models more closely approximates the behaviors of many real world networks. Correlations between nodes of similar degree are often found in the mixing patterns of many observable networks.
A/B testingA/B testing (also known as bucket testing, split-run testing, or split testing) is a user experience research methodology. A/B tests consist of a randomized experiment that usually involves two variants (A and B), although the concept can be also extended to multiple variants of the same variable. It includes application of statistical hypothesis testing or "two-sample hypothesis testing" as used in the field of statistics.
LinkedInLinkedIn (lIŋktˈɪn) is a business and employment-focused social media platform that works through websites and mobile apps. It was launched on May 5, 2003. It is now owned by Microsoft. The platform is primarily used for professional networking and career development, and allows jobseekers to post their CVs and employers to post jobs. From 2015 most of the company's revenue came from selling access to information about its members to recruiters and sales professionals. Since December 2016, it has been a wholly owned subsidiary of Microsoft.
TwitterTwitter, currently rebranding to X, is an online social media and social networking service operated by the American company X Corp., the successor of Twitter, Inc. On Twitter, users can post texts, images and videos known as "tweets". Registered users can post, like, repost, comment and quote posts, and direct message other registered users. Users interact with Twitter through browser or mobile frontend software, or programmatically via its application programming interfaces (APIs).
