Scenario 14-1 When the Social Networking/gaming Website Foursquare Launched in 2009, It

Scenario 14-1
When the social networking/gaming website Foursquare launched in 2009, it was only accessible to residents in 100 U.S.cities. One year later, an updated version of the service allows check-ins from locations all over the world and has over 500,000 users internationally. The site, which allows registered users to connect with friends and update their location, receives over one million check-ins per week. When users visit a particular store, their profile is automatically updated and they can share feelings about favorable experiences (or unfavorable ones) . The site now holds partnerships with over 800 establishments worldwide, and high-profile partnerships with the Bravo Network and The New York Times have greatly increased the site's popularity.
-(Scenario 14-1) One way to find this site as well as related businesses is to go to Bing and look under "social networking sites." Technically, Bing is a(n)

A) analytical software system that allows e-commerce.
B) mash-up that features multiple widgets.
C) portal with search engine technology.
D) website that acts as a corporate/brand home page.