A pedestrian passes a Fidelity Investments branch in New York. Photo by Victor J. Blue/Bloomberg via Getty Images. Paul Solman frequently answers questions from the NewsHour audience on business and economic news on his Making Sen$e page. Here…

Updated July 10 | When Wikipedia formally launched on Jan. 15, 2001, creators Jimmy Wales and Larry Sanger hoped to create over 100,000 articles. Today, Wikipedia has more than 22 million articles in over 285 languages. In the 11 years…