Foreign firms have been bankrolling an elaborate lobbying campaign to legalize online poker.
Twitter is in talks to buy the popular add-on Tweetdeck.
The BlackBerry Playbook will be on sale in stores Tuesday.
Apple has asked a judge to dismiss an antitrust suit from consumers regarding the iTunes music store.
Finally, Salon Media Group began trading again Tuesday for the first time since last Thursday. The stock has been experiencing unusual volatility this week; shares were down 25 percent to 50 cents in Tuesday morning trading.