UPLAND, Calif. — Alexa Cappelli doesn’t usually perform in the middle of the street. But drastic times call for drastic measures. So there she was on a recent afternoon, perched on a chair, guitar...

By Matt Day The Seattle Times (TNS) SEATTLE — Amazon wants Alexa to be everywhere. The company unleashed a barrage of new hardware on Wednesday, including refreshed Echo speakers, an upgraded Fire-branded...