AOL offers its customers online shield free of charge America Online blocked popup ads and intensified its fight against junk e-mail last year. Starting today, the largest online service is carrying its campaign against online plagues even further.
Bank of Canada Raises Overnight Rate  OTTAWA (Reuters) - The Bank of Canada raised its overnight  interest rate a quarter percentage point on Tuesday to 2.50  percent as expected, and made clear it would keep raising rates  even as it lowered its forecast for Canadian growth.