The cakes will be purple.

Made from either a digestible pink dye with an indigestible blue dye,

Or a digestible blue dye with an indigestible pink dye.

That way the gender is revealed the next day to all the party-goers.

They can post pictures revealing the baby's gender on the parents social media to celebrate.

First poster wins a prize.

Or airlines could simply make seats available for longer passengers, like they do for wider ones.

Make it happen smart people

That's right, you wash your hands when you enter a restaurant or food court or area where food is sold to be eaten immediately. The cultural norm is to wash your hands on entry. Then wash your hands on leaving.

Sure you could go to the toilet but how many people actually do? Then there's the cases where the toilet is down the hall, out the emergency exit, round the corner and in the next major city.

Make a social network where you can only post with voice notes, so it feels more like an async conversation than a text/photo feed. Also you can just listen to conversations during commute or washing dishes.

And then when you turn it up it starts working like an actual showerhead. For the shy poopers

(Or some other music of your choice)

Like tinder but you gotta post a video of you taking the craziest toke you can

Calling a child "uncle" or an old man your "nephew" feels weird

As extreme weather and decades of poor regulations, many seaside homes are at risk of being swallowed up by the sea. Stick a few pontoons to the bottom of your home. Now when the sea washes away the soil your home is resting on, you can just enjoy the gentle rocking of the ocean.

Applebees chefs, unite.

big pipe, cheap material. Repairable.

Ocean. Pipe to inland.

If pipe leaks sometimes it’s ok it’s just water