$1.$ What is a virtual community?

$2.$ How did bulletin board systems and Usenet newsgroups provide early social networking

opportunities for Internet users in the $1970$s and $1980$s$?$

$3.$ Why did the social networking site Six Degrees fail?

$4.$ Name three Web sites that created virtual communities or facilitated social networking

before Facebook was founded in $2006.$

$5.$ What is a meetup?

$6.$ What is the term for the practice of online newspapers and magazines to have their readers

help write their own news?

$7.$ What is social shopping?

$8.$ What is a MOOC?

$9.$ What does it mean to monetize Web site visitors?

$10.$ What does a microlending Web site do$?$

$11.$ What is crowdfunding?

$12.$ How can companies use social networks internally; that is$,$ by limiting access to employees

of the company?

$13.$ What is a phablet?

$14.$ What does it mean to jailbreak or root a smartphone?

$15.$ What is a shill bidder in an online auction?

$16.$ What is a Yankee auction?

$17.$ What is a Dutch auction?

$18.$ What objective is a Vickrey auction designed to accomplish?

$19.$ What is a reverse auction and when is it most likely to be used in a business$-$to$-$business

setting?

$20.$ What is a proxy bid?

$21.$ What function is served by an online liquidation broker?

$22.$ What is the main purpose of an auction escrow service?