Summary: ChatGPT sign up changed to "for free"

Why It Matters: This change tells people that signing up for ChatGPT is free.

What Changed:

• Removed "ChatGPT" next to "Skip to content"
• Added "for free" next to "Sign up"
• Removed "What can I help with?"
• Changed "Reason" to "Study"
• Removed "?" at the end of the text