Programming insights to Storytelling, it's all here.
If you read any commentary about Uber, it is awful. It might even be one of the worst companies. Whether it is for their discrimination of women, their political affiliation, the extreme pay gap between driver and employee, or robbing taxi drivers from their jobs, they have all the ingredients to constitute what most people would call bad for humans. But at the same time, they have created one of the most useful business in our decade.
What makes the web dynamic is the ability to entering data. Data comes in many forms, but the most prevalent and simplest data format is still text. Text can be written using a keyboard, real or virtual. Whether you want your users to write a personal message, or write a post on Facebook, or tweet, what you need is an input box.