Back in the old days, radio signals broadcast through the air, and you listened on an honest-to-goodness radio. Internet radio—and its cousin, podcasting—fulfill the same function, but use different technology. They use computers and the Internet, and because there’s no real “broadcast” involved and thus no FCC, it’s opened up radio to a whole new generation of hosts and audiences, expanding far beyond what AM/FM and satellite radio ever imagined. Sometimes referred to as “Webcasting” and sometimes as “Internet streaming radio,” we’re talking about the same thing, radio you can listen to through the Internet on your phone, tablet, or computer.

It’s easier than ever for someone with a good message and ...

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