Rush Limbaugh advertisers, like most of the corporate world, need to carefully cultivate their image on social-media networks. That makes them more sensitive to social-media campaigns.
Rush Limbaugh's inappropriate comments about a law student has caused at least 19 companies to pull their ads from his show. But his on-air survival probably depends on whether his listeners leave.
The Monitor's language columnist takes issue with President Obama's use of a gambling idiom in his State of the Union message.
Facebook's Mark Zuckerberg, Twitter's Biz Stone, Craigslist's Craig Newmark, and many others have turned their entrepreneurial skills to solving the world's social problems.