The tools and resources listed above can help you create, but it's ultimately up to you to control the quality of your content. You still need to know your customer incredibly well, understand what challenges they face that your product or service solves, and create content that helps them address those challenges.
and a whole lot more are all described by the same equations, known today as the Friedmann equations. These were derived all the way back in 1922, and they came to a startling conclusion: that if your Universe is filled with the same type and amount of stuff, everywhere and in all directions, on average, then it cannot be static, and will either expand or contract. A Universe that is evenly filled with stuff everywhere you look cannot be unchanging. 781b155fdc