Nowadays, Apple watch product has going up to reach the top in a product life cycle. They took a few years to find out new target to use their product. That mean they let everyone understand their product not just provide for a small group as a sporter, but they show more feature that interesting to normal people as well.
The marketer of Apple used Apple watch attract customers by smart application.
They also link all information in your iphone and apple watch together. So you could do everything online by apple watch. This produce are provide for old people as well.
Old people could check their heart rate in their special application.