Understanding dofollow, nofollow and sponsored links Hello everyone! Today, we are going to talk about a topic that puzzled me quite a bit at first: the famous dofollow, nofollow and sponsored links. If, like me before, you were not quite sure what these are and why they matter, this article is for you! 1. What is a dofollow link? A dofollow...

DPI, or dots per inch, is an essential concept to understand for anyone working with images, whether for printing or for display on a screen. DPI determines the resolution of an image, i.e. the number of dots per inch that make up the image. A higher resolution means a more detailed image, while a lower resolution means a less detailed image. In...

InformationVideo published by Jason Martin This video offers a cute little sequence of a kitten discovering the concept of reflection. It does not seem to understand that it is alone, which is pretty funny. For several decades, psychologists have defined the level of self-awareness using the mirror test.  The test consists in making sure...