Twitter, Inc. (Twitter) offers products and services for users, advertisers, developers and platform and data partners. The Company's service is live-live commentary, live connections, live conversations. Its products and services for users include Twitter, and Periscope and Vine. Its Twitter is a platform for public self-expression and conversation in real time. Its promoted products enable its advertisers to promote their brands, products and services, and extend the conversation around their advertising campaigns. Its promoted products consist of promoted tweets, promoted accounts and promoted trends. Its Fabric platform offers modular software development kits that help developers build applications, gives them mobile analytics, the ability to generate revenue through Twitter's mobile-focused advertising exchange, MoPub. It offers subscription access to its public data feed for partners wishing to access data beyond its public application program interface (API).