Worlds are blurring. What's real...and what's virtual is not a clear line. Reuters recently opened a virtual news bureau in Second Life: "Second Life" citizens can stay tuned to the latest headlines by using a feature called the Reuters News Center, a mobile device that users can carry inside the virtual environment."
...Sun recently held an in-world press conference in Second Life...though these types of activities are more often about trying to be a "cool and with it" company, rather than being functional.