One Japanese woman has proved that age really is just a number. Masako Wakamiya learned how to use a computer at the age of 60 and now, at 81-years-old, she has released an app that shows people how to properly display traditional dolls for Hinamatsuri. Not only is Wakamiya a developer, but she has a blog where she shares clips from her travels and also teaches people how Excel can be used to make digital art. Masako Wakamiya learned how to use a computer at the age of 60 and now, at 81-years-old, she has released an app that shows people how to properly display traditional dolls for Hinamatsuri. The app, called Hinadan, asks players to place 12 dolls in their respective positions on a standard display with four tiers.