5 apps that make the world a better place

Ever since Nokia installed the time-wasting Snake on its clunky cellphones in the 1970s, developers have dreamt of the possibilities with mobile applications. Nearly 5 decades later, mobile devices — and 'apps,' as we now call them — are no longer a novelty item. Instead, our iPhones outweigh our wallets, taking priority over virtually every personal item on the list. But it's about time these things started doing more than displaying sports scores. Take a look at 5 apps that are changing the world as we know it.

The app to stop food waste: A natural way to double the lifespan of your produce, this app gives restaurants and stores a way to put excess food to good use, and keep it from trash haulers.

Preventing and treating blindness with a smartphone: More than 80 percent of all blindness can be prevented or treated — but oftimes the poorest of the poor can't get the services they need. Ophthalmologist Andrew Bastawrous's modified smartphone may offer a solution.

Revolutionizing the farming industry: African farmers have long lacked one thing: real-time market knowledge. Mobile app developers are racing to change that.

First Derm can spot your cancer before it's too late: Dr. Alexander Borve has invented an app that allows you to see a digital dermatologist, delivering faster results to patients and freeing up space in waiting rooms across America.

Barkbuddy fetches the right pooch for you: The world is a better place when dogs are around — that's why the inventors of Barkbuddy have made it easier than ever to find the perfect puppy for you.

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