"Real-time marketing" refers to:

Real-time marketing involves creating content that resonates with current events or trends as they are happening. By developing content on the fly for events that are occurring in real-time, brands can engage their audience in a more immediate and relevant way. This approach allows marketers to capitalize on trending topics or spontaneous moments, capturing the attention of their audience while the conversation is active.

For instance, during live events such as award shows or sports games, brands can quickly produce posts or multimedia content that interact with the ongoing discussions, thus enhancing audience engagement and visibility. This immediacy not only demonstrates a brand's agility but also its relevance in the fast-paced nature of social media.

The other options describe different types of content creation approaches. Crafting content post-event indicates a focus on creating content after an event has occurred, which lacks the immediacy of real-time marketing. Creating content ahead of time relies on scheduled posts that do not respond to current events or trends and lacks the spontaneity required for real-time engagement. Scheduled marketing campaigns are pre-planned and executed at specific times, rather than adapting dynamically to the moment, which is the essence of real-time marketing.