Opinions expressed by Entrepreneur contributors are their own. Mobile applications are no longer an option for small businesses–they’re a necessity. Digital research firm comScore reports that nearly ...

You can make a playlist on Amazon Music at any time using your computer or the Amazon Music mobile app.

Mobile apps are no longer, well, mobile apps. They've amalgamated with technology that's vying to get closer to you. I'm not talking about the air-conditioned tie or the iPod toilet dock. Although, ...