Help I will mark BRAINLIEST !
Explain looping as an invention strategy. Why is it helpful?

The qwerty keyboard is the most common layout of keys on a keyboard

How to launch an app: steps to be successful? launching an app is a great idea, but it’s not that easy as we supposed to think. the majority of mobile applications don’t generate revenue because companies aren’t ready to be competitive. referring to our experience in successfully building and launching apps we hope to you omit these difficulties. we are going to talk about ideas, marketing, testing your product, its development, distribution and support. you will learn 8 product launch stages to succeed.

The first screen you see when you open word2016 what is called?