The $2,500 answer to Amazon's Echo could make Japan's sex crisis worse

Japan has a sex problem. The country's birthrate is shrinking year after year, to the point where deaths are outpacing births.

Simply put, Japan's population is decreasing.

But let's be clear: Population change is a complicated subject affected by many factors.

Western media often correlates the decline in Japan's population size with recent studies of Japanese sexual habits and marriage. A 2016 study by the National Institute of Population and Social Security Research in Japan, for instance, found that "almost 70 percent of unmarried men and 60 percent of unmarried women are not in a relationship."

But just because people aren't in relationships doesn't mean they don't want companionship, of course. And that's where something like Gatebox comes in.

Yes, that is an artificially intelligent character who lives in a glass tube in your home. Her name is Azuma Hikari, and she's the star of Gatebox - a $2,500 Amazon Echo-esque device that acts as a home assistant and companion.

Here's what we know: