What is a Twitter stream?

A Twitter stream refers to a dynamic display of tweets that match pre-defined, saved searches based on specific criteria. This feature allows users to monitor real-time conversations and content relevant to their interests or business objectives. By setting up these criteria, users can filter the vast amount of tweets generated every second and focus on those that are most pertinent, making it a powerful tool for engagement and information gathering.

The capability to create such streams enhances the user's experience on Twitter by offering targeted content. This is particularly beneficial for marketers and businesses that want to keep an eye on brand mentions, industry trends, or potential customer feedback, ensuring they can respond promptly and appropriately.

The other options describe aspects of Twitter but do not encapsulate the concept of a Twitter stream as defined in this context.