We've come a long way in a short time since the San Francisco 49ers beat the San Diego Chargers in Super Bowl XXIX. Silicon Valley was a different place, devoid of a bushel of companies and products that have become digital lifelines and household names. A look at the valley's evolution:

Super Bowl XXIX: January 1995

Netscape IPO: August 1995

TiVo founded: August 1997

Google (GOOG) founded: September 1998

Facebook founded: February 2004

Slingbox launched: June 2005

Twitter founded: March 2006

iPhone launched: June 2007

iPad launched: April 2010

Contact Mike Cassidy at mcassidy@mercurynews.com or 408-920-5536. Follow him at Twitter.com/mikecassidy.