Summary: Synthesia adds free AI Video Tool demo.

Why It Matters: This change lets people try Synthesia's AI video creation easily.

What Changed:

• Add a "free demo" section.
• Add a "Try out our free AI Video Tool" heading.
• Add steps to select an AI avatar and type a script.
• Add example demo videos with avatars and scripts.
• Add a form to create a free AI video.
• Remove the "Avatars's Voice" heading.
• Update the FAQ answer about the free plan to include "try our free AI video generator."