1) _____________ are companies that introduce a significant change in their industries, thus causing a disruption in normal business operations.

a. Disruptors

b. Mashups

c. Information clouds

d. Web 3.0

2) The real estate brokerage industry has been disrupted by companies such as Zillow and HomeGain for each of the following reasons except:

a. Homeowners can enter zillow.com and go to zestimate to get an approximation of their home's market value with a map of the neighborhood.

b. The Zillow and Homegain sites provide more services and information than Web 1.0.

c. The Web 2.0 real estate sites have driven down commissions from 6 percent to almost 1 percent.

d. Homeowners can get comparisons of the estimated price of their home with neighbors' homes.

3) Companies can interface with social networks in all of the following ways except:

a. use search engine optimization (SEO) to increase search engine ranking.

b. use existing public social networks, such as Facebook or MySpace, or virtual worlds, such as Second Life to create pages and microcommunities.

c. create an in-house private social network and then use it for communication and collaboration among employees and retirees or with outsiders.

d. conduct business activities in a business-oriented social network, such as LinkedIn, or sponsor such a site.

4) Craigslist and MySpace provide ________ to search based on friends and contacts or by geographic proximity.

a. entrepreneurial networks

b. classifieds and job listings

c. virtual malls

d. advertising campaigns

5) ________ has/have the potential to enable faster connectivity, richer ways of interacting, and more powerful search engines.

a. Enterprise applications

b. Application program interface (API) services

c. Web 3.0

d. RSS and Web services