What change needs to be made to sentence 4 to correctly use a colon?

Understand the Problem

The question is asking about the correct punctuation for a specific sentence in a given text regarding social media. It entails selecting the appropriate placement of a colon to ensure grammatical correctness.

More Information

A colon is used after 'following' because it introduces a list of items (tutorials, study groups, and online courses). The part before the colon should be a complete sentence.

Tips

Commonly, people might place the colon incorrectly, such as before a verb or an incomplete thought.

Sources

• Colons: How to Use Them | MLA Style Center - style.mla.org
• When to Use a Colon, With Examples - Grammarly - grammarly.com