Recently I wrote an article What is Reactive Programming? iOS Edition where in a simple way I described how to build your own Reactive Framework, and helped you to understand that no-one should be scared by the reactive approach. The previous article could now be named How to cook reactive programming. Part 0., since this is a continuation. I would recommend reading the previous article if you are not familiar with the reactive programming concepts.
Many corporations today only a few years ago started their business with MVP. The only MVP allows you to take a look in a very short period how your business will move. By this way, you can notice at the first reaction of the target audience, see all the shortcomings, and exactly decide how to proceed further: develop the idea and invest in or completely modify it in an absolutely different product.
As of 2020, video marketing is, perhaps, the most popular and reliable way to advance via content marketing. Yes, useful articles, link exchanges, and advertising posts are still useful. However, video content is a much better way to sell your product to users. You can verify this by looking at the statistics, which suggests that in 2021 users will spend an average of 100 minutes a day watching a video. And if this is not enough for you, then polls suggest that about 48% of consumers prefer to learn about new products through video content.
Beginners in web-development usually use px as the main size unit for HTML elements and text. But this is not entirely correct. There are other useful units for the font-size in CSS. Let's look at the most widely-used ones and find out when and where we can use them.