<div>
<div class="content wysiwyg-content">
I see sub-domains available. What's it do?
</div>
</div>


I see sub-domains available. What's it do?

What is Slack.com?

Electronic commerce (e-commerce) is the trading in products or services using computer networks, such as the Internet. E-commerce draws on technologies such as mobile commerce, electronic funds transfer (EFT), supply chain management, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems. Use this topic to discuss online shopping carts, online marketplaces, and e-commerce platforms.

E-Commerce

A social networking service is a platform to build social networks or relations among people who share similar interests, activities, backgrounds or real-life connections. A social network service consists of a representation of each user (often a profile), his or her social links, and a variety of additional services such as career services. Social network sites are web-based services that allow individuals to create a public profile, create a list of users with whom to share connections, and view and cross the connections within the system. Social networking sites allow users to share ideas, pictures, posts, activities, events, and interests with people in their network. Other popular services include Google+, LinkedIn, Instagram, Reddit, Pinterest, Vine and Tumblr.

Social Networking

Facebook is an online social networking service. After registering to use the site, users can create a user profile, add other users as "friends", exchange messages, post status updates and photos and receive notifications when others update their profiles. Additionally, users may join common-interest user groups, organized by workplace, school or college, or other characteristics, and categorize their friends into lists such as "People From Work" or "Close Friends". Notable features include a News Feed, Friends, a Wall, a Timeline, the Like button, Messages and an inbox, Notifications and Networks and groups.

Facebook

Twitter is an online social networking service that enables users to send and read short 140-character messages called "tweets". Users can group posts together by topic or type by use of hashtags – words or phrases prefixed with a "#" sign. Similarly, the "@" sign followed by a username is used for mentioning or replying to other users. Users access Twitter through the website interface, SMS, or mobile device app. The Twitter Web interface uses the Ruby on Rails framework. The service's application programming interface (API) allows other web services and applications to integrate with Twitter.

Twitter

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).