Because you don't have to blow your whole paycheck in the name of fitness.
Get ready for flexible phones.
Every summer, parents grow a bit apoplectic thinking about the hours their kids are likely to spend doing the couch potato, screen-gazing thing. Some clever manufacturers are dreaming up alternatives to screen time by incorporating screens and tech directly into more physical play. In other words, if the kids hate leaving their tech behind, they can take their tech with them.
You could one day shoot video with the blink of an eye.