What is a "use case based efficiency maker"?

Zooma claims that the only things that get a frequent use with high satisfaction online are "use case based efficiency makers". They are "the thing" – for now and forever.

At present, many of the "use case based efficiency makers" are apps. And they will most certainly be referred to as something else in the future. 

So, what is "use case based efficiency makers"?

People have become spoiled by online and the things that really make life and everyday situations easier and more effective to handle. Therefore the expectations on everything provided forward, whether it’s apps or something else entirely, is much greater. People now decide instantly if any given solution makes sense for them and if it provides efficiency from any perspective.

On this blog you can and will find posts with examples of "use case based efficiency makers".

What example do you have of a "thing" that is a "use case based efficiency maker"?