ConFire, AMR expected to bid for Contra Costa's new ambulance contract

The ambulance contract for American Medical Response, which has served the county's emergency calls for decades, expires at the end of the year, and the bidding process opened Friday for a new pact. 
(Aric Crabb/Bay Area News Group)
San Francisco GPS-linked walking tour takes you off the touristy path

A walking tour app from the founder of Groupon takes you time-traveling through San Francisco neighborhoods.