Summary: Brilliant offers 30% off for Black Friday.

Why It Matters: This shows Brilliant is running a big sale. It might bring in new users.

What Changed:

• A new banner was added at the top about a "Biggest. Sale. Ever. Save 30%" for Black Friday.
• The phrase "Get smarter in 15 minutes a day" was removed.
• The phrase "Excel in math and computer science" was added.