Symmetric Engineering Group

TORONTO (Dec. 23) -- The second outage of BlackBerry service in less than a week frustrated people who depend on the messaging device and comes at a bad time for its maker, which faces increasing competition in the market it helped pioneer.

BlackBerry subscribers often are so reliant on the devices that they peck at their keyboards all day and keep them on their night stands while they sleep. When e-mail and Web service on the devices went out Tuesday night, Twitter and other online forums were peppered with complaints.

Read the rest of BlackBerry outage here...