“Before you click Log In,” Leo said, “uncheck the box that says ‘Keep me logged in.’ That’s for your own home computer. On a shared tablet, leaving it checked can cause weird session conflicts with the app you have installed.”

“It worked!” she laughed.

Margaret did. The screen flickered, but it still looked cramped.

“Gram, you need the full website login,” he said. “The browser keeps forcing the mobile view or the app. Here’s the trick.”

“Now type this exactly: https://www.facebook.com/login — not just facebook.com . The /login page is cleaner. It won’t auto-redirect as aggressively.”