A customer is always right. This is an established truth since from ancient times. And the seller is always trying to create comfortable conditions for the customer but it wasn’t always easy. Until the moment when mobile devices became available and started spreading all over the world. Now the seller...

Your start-up success depends on the number of users which you have managed to attract. Every part of your product life-cycle matters for users' acquisition. And users' engagement strategy will show if your choice was right or wrong. In this article, I'm going to give you a hand to figure...