The narrator welcomes students to a course on creating profitable Chrome extensions. He encourages students to aim for releasing their first extension within 30 days.

Several successful Chrome extensions developed by solo developers are mentioned:

• Merch Wizard and KDP Wizard: Created by the narrator, eventually allowing him to quit his day job and exit for multi-six figures.
• PrettyMerch: A successful extension in the same niche.
• Canva Automation and Poshmark Automation: Extensions in different niches.
• Jungle Scout: Started by one person, now employs over 200 people in multiple countries.
• Grammarly: A well-known writing assistance tool.
• Honey: A coupon code extension that sold for $4 billion.

The narrator emphasizes that students don't need to aim for billion-dollar exits. The course provides a step-by-step guide to building a profitable Chrome extension. He encourages students to get started, regardless of their goals.