In this interview, Linda Rising, an independent consultant and author, details the power of the agile mindset. She explains how agile is related to the placebo effect, as well as why being fearless is the same as being agile.
Writing independent user stories seems simple, but it is actually difficult to do well. There are often parts of some stories that are dependent on other stories' functionalities, so it's not easy to keep them separated. Kris Hatcher relates how his team wrote and scored stories to keep them independent but still meeting acceptance criteria.
Agile is still on the rise, with many organizations that have been successful at the team level looking to scale their adoption. Consequently, it's important for testers to have practical application of agile techniques. You should know how to create tests to optimize maximum test coverage, have interpersonal skills, and successfully build relationships within the team.