See related story: When All That's Left Is a Name

In Silicon Valley, For Lease, such as this one in Santa Clara, California, fills up space in empty corporate parks
Joanna Glasner
The AirTouch logo still looms above the skyline of San Francisco's financial district, despite the fact that the firm was acquired by European wireless giant Vodafone back in January 1999.
Joanna Glasner
Pac Bell Park, home of the San Francisco Giants, may soon be changing its name. SBC, which purchased California local phone provider Pacific Bell in 1997, wants the ballpark to bear its name in the 2004 baseball season.
AP Photo/Eric Risberg