You probably noticed: someone shares an interesting link with you, but the link points to share.google.
Why is that?
When you use the 'share' button on Android, Google injects its tracking redirect link. This only has disadvantages for users:
1️⃣ Previews no longer work.
2️⃣ Unsafe: you can't see where the link goes; it could be evil-phishing.com.
3️⃣ Tracking by Google.
Fortunately, you can turn it off in the settings:
https://9to5google.com/2025/06/26/google-app-link-shortener/
