With the amazing expansion of the internet, many new industries have cropped up, as well as many new variations and adaptations of industries that have been around for a long time. One of the many changes that have come about through the digital revolution and the internet is in the way that audio books are delivered to consumers, which has resulted in the online audio book store.

Nowadays, anyone who has an internet connection and a desktop computer, a laptop computer, or a WiFi enabled PDA, has easy and convenient access to a mind-boggling selection of MP3 audio book titles that are available from any number of audio book store websites. With the growth in popularity of audio book downloads and being able to listen to all kinds of books -- from classics, to brand new releases, to obscure niche topics -- as audio recordings, there is no doubt that this is going to be a strong and flourishing industry for the foreseeable future.

For the most part, an audio book store will have audio book downloads available from a wide range of subject matter. You will be able to choose from non-fiction or fiction, from business or personal development, from educational titles or titles for pure entertainment.

One of the reasons why audio books on all kinds of topics have become so popular is that many people consider that time wasted is the same as opportunity wasted. When stuck in a car for an hour or two every day while commuting to and from work, there's a great deal of time that can be put to better use and listening to audio books while commuting can turn the car into a university on wheels. People have been known to make amazing improvements in their lives just by taking advantage of all the learning that they can take advantage of through listening to audio books on the road.

Audio books are great to listen to during a commute, while traveling for business or pleasure, while exercising, or while pursuing hobbies. It is simple and easy to pick up a new audio book any time that you are in need of something new. With audio book downloads that the online audio websites offer, you will instantly have your book to play on your iPod. There is no more waiting for the mailman to deliver the audio book on CD and no longer any need to pay for shipping and handling.

These days there has been such an escalation in the number of audio book store sites online that this particular niche industry has gotten to be extremely competitive. The good news is that when websites are competing with each other, the consumers are the winners. Competition helps to keep prices from going up and helps to motivate the retailers to carry better selections and often these audio book stores will offer a free audio book with every purchase, or discounts on multiple purchases. With all of this going on, it is making it easier than ever for consumers to always have a new audio book to listen to and relax with.