Final answer:
To open or introduce content effectively, use specific details, statistics, quotations, or anecdotes. Avoid overwhelming the audience with unnecessary background information.
Step-by-step explanation:
When opening or introducing content, it is important to capture the attention of the audience and establish the author's credibility. One effective way to do this is by using specific details, statistics, or quotations that show your expertise on the subject. Anecdotes can also be used to engage readers and set the scene. It is recommended to avoid providing too much background information that may be common knowledge or overwhelming to the audience.