Whether you're on vacation or on a business trip, you'll find that a connection to the net may be very expensive or impossible in some circumstances. Net connections at home can be slow plus many people still pay for their time on line. Net congestion can cause the program to be interrupted. Listening to broadcasts on a portable costs you only the electricity or batteries. It's easy to carry from room to room as you go about your business or with you wherever you travel.
Batteries can last for weeks and most digital units double as an alarm clock with sleep timer.
You'll discover programming not found on the web too. There are numerous clandestine and pirate broadcasts which will try and influence the way you perceive things.