When the phones are gone, so is the world.
That’s because when the world does use phones, it’s not always the same thing.
But it’s still a global phenomenon, and that means the same sort of problems we have today could be addressed in a much more sophisticated way, if the right tools are developed and used.
As we speak, there are more than 30 million people who use smartphones worldwide, according to the World Health Organization.
That figure is expected to rise to more than 500 million by 2020, and by 2040, the number will hit 6 billion.
We’ve already had a few examples of how the development of mobile phones can solve the global health crisis, and they’ve been a success.
But there’s more to be done, and the next few years will bring a number of challenges to those efforts.
The health problems that arise with phones are already well-known, but the technology that’s powering these devices is not, says Daniela Mariani, an associate professor of environmental engineering at Carnegie Mellon University in Pittsburgh, Pennsylvania.
“The biggest challenges will be to make them less harmful, because we are already using them for so many different things,” she says.
She says these phones, even if they do work, are often far from the source of the problem.
In India, the biggest smartphone maker, Micromax Ltd., sells phones with cameras that capture photos, video and text that can be downloaded and shared with friends and family.
But these phones aren’t necessarily used by the population at large, and have been widely condemned by civil society groups as a violation of privacy.
There’s also a problem with how the phones work.
In some ways, the phones operate more like a traditional radio or television, says Michael J. Schulze, a professor of electrical engineering at the University of California, San Diego.
But they are far more powerful than those devices, and can be very difficult to control.
“We can have a device like a cell phone that’s in your pocket, which can record and upload your entire social media activity, or a phone that can record a video, and then it can be used to send that to a smartphone and be able to access that video or the text,” he says.
If we can’t use technology to protect privacy, then we can do it through physical measures, says Mariani.
“It’s really about the physical and social,” she said.
That physical barrier, the barrier of the physical device itself, can be broken.
That means we can get rid of the phone itself.
The problem, she says, is that phones aren.ll work as a single piece of hardware, with the device itself not designed to be very durable.
The idea of making the device more robust, however, is also appealing.
That would allow people to have a phone, and, ideally, use it to interact with others, and potentially, to get information that they wouldn’t normally get access to, says Schulz.
There are already ways to do that.
“A smartphone can be made to be as durable as a refrigerator, so it can withstand the shock of a fall and not fall over,” says Mariki.
And phones can be designed to hold more power, which means more batteries and more storage space.
“But if you’re using a smartphone to talk to people, and you’re going to be interacting with someone, you might need a more powerful device,” she added.
And then there are other challenges.
“When you want to use a phone to take pictures of yourself or your phone to send a photo, it will need to have sensors that can track the position of the hand or the arm of the user and can send those data to your computer,” she explained.
This is not something that could be done by a phone as a whole.
“You have to have the hardware, the software, to do this,” Mariani said.
The last hurdle is the physical barrier.
While smartphones have been in widespread use in many parts of the world for decades, Mariani says, “there’s still this barrier between the technology and the user.”
That barrier can be overcome by physical devices, such as treadmills or electric scooters.
But that barrier has been the biggest challenge to making them work.
“One of the things that’s really interesting is that we’ve seen in the last decade a lot of advances in the technology, in the amount of information that you can get, in terms of the number of sensors you can use,” she explains.
“And yet, we still have this barrier.”
This barrier is a big reason why the health effects of phones aren, in fact, so complex, says John J. Pascual, professor of biomedical engineering at Vanderbilt University in Nashville, Tennessee.
Piscual was one of the authors of a paper in 2014 that was widely reported as evidence that smartphones were actually a health problem, and called for more stringent regulation of the technology. That was