At home I listen to one or two radio stations. In the car I'm constantly searching for something to listen to, whether it's talk, news or music.
Don't understand why KCBS 740 is popular. I find its news format and presentation boring and predictable. If I listen it to for 30 minutes or more, my mind starts to tune it out. So I either turn to another station or shut off the radio. Which is why I miss the old KGO 810 AM -- the news was delivered with a particular kind of upbeat rhythm. Now that's gone, and since I can't stand Peter Finch's rendition of the news or his voice, I seldom listen to KGO 810 AM for news. But I do tune in on the weekends, not that I find the current talk show hosts all that informative or illuminating (but I make an exception for Peter B. Collins and Christine Craft -- they always have good topics and their opinions add to the discussions). KGO's other current talk show hosts, namely Karel and Spencer Hughes, just talk about themselves and spend their time talking at us. So when they're on, I tend to turn off the radio and compute in silence.
KQED/NPR can be enjoyable. Michael Krasny (I bet he's glad to know he's outlasted the guys on KGO), Science Friday, Car Talk, Lake Wobegone, Wait Wait, Don't Tell Me! -- always fun and enjoyable. Some of the NPR/PRI feature stories sound formulaic and I wish they'd come up with another schtick for story presentation. Still the recent Christmas shows (the Santa's helper employee, Jonathan Winters solo narration of Dickens' "A Christmas Carol") were pretty funny listening.
For music I was a long-time KFOG listener (still get KFOG's fun birthday emails) and occasionally tuned into KDFC. But iTunes made me into a music collector and my iTunes library plays the songs I want to hear rather than what's currently offered on commercial radio.