New York--More than one-third (37%) of working Americans now go online regularly at the office, according to a report presented by The Wall Street Journal Online Thursday and conducted by eMarketer. The report, titled âAn Elephant in the Room: The Online At-Work Audience,â said these Web users total more than 50 million people. More than 70% of at-work Internet users have a college degree, and roughly half have household incomes of $75,000 or more, according to the report. The report also found that 86% of at-work Internet users have broadband access at their workplace. Thirty-eight percent are employed by large companies, while nearly 40% work at small businesses.