 major subsidiaries are LinkedIn and Skype. LinkedIn is a social network designed for businesspeople. Professionals use it to network with others in their field. It is international in scope, with more than half of its members based outside of the United States. LinkedIn was established in 2003 and is a forum for people to offer services such as marketing and training in new technologies. The issues discussed are pertinent to particular fields and technologies. It is not unusual for posts offering opinions on new technologies to attract hundreds of responses. In addition, recruiters post job openings and people explore employment opportunities by using these posts, which are organized by specific careers. The $8.5 billion purchase of Skype has a number of advantages for Microsoft. The majority of Skype customers prior to the Microsoft purchase were residential subscribers. In 2018, Microsoft changed the name of Skype to "Microsoft Teams" when marketing it to enterprise customers. It additionally added collaboration to the enterprise package. Skype upgraded and promoted its services from solely residential customers to small and medium-sized businesses and kept the designation Skype for these smaller and residential customers. It also provides an onsite server for enterprise customers that integrates with Microsoft Exchange contact management software. In addition, many businesspeople who travel for work use Skype and Microsoft Teams on the road for video and audio conferencing and international telephone calls. Table 3-9 presents a partial list of acquisitions. Table 3-9 A Partial Listing of Microsoft Acquisitions Acquired Company: Description of Purchased Year Acquired Organization's Technologies www.TechnicalPDF.com Web e-mail. Microsoft uses the technology to attract traffic to its Bing search and its Office 365 cloud applications. Charting software used for applications such as project management. Microsoft's successful Halo series of games that operate on the Xbox 360 hardware are based on Bungee software. A