Just goes to show that you don't really have to "invent" anything to make a billion dollar business.

Just pick a one-size-fits-all feature from a major incumbent and make it REALLY good for a very tiny willing-top-pay niche.

The beautiful part I suppose is you can simply choose to 'be' an adult

You can just go out and start a business, make money, hire employees, invest in a retirement fund, make an impact on your community, change the world, leave a legacy.

The only thing in the way is discipline

I realize this in my mid-twenties especially.

I have friends my age who have 2 kids, a wife, a house, and a pension,

and others who are still living in their childhood bedroom, raking unemployment swiping tinder.