STACK EXCHANGE

Downloadable mobile applications featuring user-defined information and functionality that allows allowing users to ask and answer questions on a variety of topics of general interest, functionality that allows users to access search engines for obtaining information requested by users, that provides customized searching functionality to locate specific information requested by users, and that provides a community for registered users to participate in discussions, get feedback from peers, form virtual communities, and engage in social networking

Computer services, namely, providing customized online websites featuring user-defined information; computer services, namely, hosting a webpage for users to ask and answer questions on a variety of topics of general interest, providing search engines for obtaining information requested by users on a global computer network, providing customized computer searching of a webpage to locate specific information requested by users, creating an on-line community for registered users to participate in discussions, get feedback from their peers, form virtual communities, and engage in social networking; application service provider featuring application programming interface (API) software for use in building software applications