It's incredibly hard to program a network from scratch for 24 hours.

It is good to keep the restaurants open for 24 hours because there should not be anyone going to bed hungry. However, the same cannot be said of the cars on the streets as these will always be a nuisance to the people who are asleep or busy with work at night. For the cars, time restrictions need to be put in place.

I queued 24 hours to see Coldplay, at Koko in London, at the start of the X&Y tour.

Apes beat their chests so they don't have to fight 24 hours a day.

Live in the future, today is just 24 hours

Each tree will give two gallons of sap in 24 hours.