In-your-face behavior: Gay rights advocate Matthew Arnold-Lloyd of Albany, N.Y. (r.), meets nose to nose with an unidentified opponent of gay marriage during a rally outside the Capitol in Albany in April 2009. (New York legalized same-sex marriage in 2011.) Mike Groll/AP/File
Mrs. Good Manners owner Julie Goode teaches how to hold a teacup at a class in etiquette and manners for girls in San Jose, Calif. Many experts who study civic behavior see basic manners – or the ability to respect others – as a good foundation for ethical behavior. Tony Avelar/The Christian Science Monitor
Young girls take on a formal dinner table during a Mrs. Good Manners class in San Jose, Calif. Tony Avelar/The Christian Science Monitor
The Saturday Club Cotillion class October, 2010 in the clubhouse. Courtesy of the Saturday Club
Shashi Dosaj (r.), the owner of California Institute of Etiquette in Lafayette, Calif., discusses body language with business owners looking for help with manners. Tony Avelar/The Christian Science Monitor
All ages of cellphone users – like Anil Remer, 11, of St. Paul, Minn. – are redefining what’s polite as technology becomes ever-present. Sherri LaRose-Chiglo/St. Paul Pioneer Press/AP
‘You lie!’ shouted Rep. Joe Wilson (R) of South Carolina (c.), as he pointed accusingly at President Obama addressing Congress on health care in September 2009. Melina Mara/The Washingto n Post/AP/File
Philadelphia Inquirer sportswriter Bill Lyon calls the end of the annual Army-Navy football game ‘the best five minutes in sports,’ as bitter rivals, and soon-to-be-brothers in-arms, cross the field to sing the others’ alma mater. Matt Slocum/AP/File
YouTube has instituted a new comments policy. The problem? It's optional.
The comments section of the average newspaper or magazine website: A noisy, lawless place. The comments section under the average YouTube video: completely terrifying, totally ungrammatical, full of errant exclamation marks. Last month, in an effort to bring some order to its comments section, YouTube, which is owned by Google, announced it would encourage users to log-in with their real name and photograph.