"For some years, Craig, the man behind Regret the Error and regrettheerror.com, has waged a war for accuracy and transparency, winning a place as an expert on corrections policy (in print and online) and respected advocate for higher standards. He became a feature on the Columbia Journalism Review site before moving to the Poynter Institute's site late in the year. He was also one of the leading thinkers behind the Canadian Association of Journalists' guidelines for online corrections issued this year."
Each year, Silverman rounds up the year in media errors and corrections. Here is his post for 2011, that was topped by Osama/Obama typos and false reports of Rep. Gabrielle Giffords death.