Small but growing number of sites highlight good deeds
                                
                                
                                    (Newser) -
                                    The Internet is home to a small but growing trend that would seem anathema to hard-headed bloggers and pithy posters who regularly lay waste to others online: niceness. In Philadelphia, New York, and elsewhere, the Inquirer finds, civic-minded netizens are setting up sites that extol, and even enable, random acts...