or back down to reality: Firefox power user kept List of 7500 tabs open for two years. Those tabs were never all loaded at any point during this period of time.

or back down to reality: Firefox power user kept List of 7500 tabs open for two years. Those tabs were never all loaded at any point during this period of time. I use sidebery to manage around as many tabs and it backs up the "sessions" and I've never lost anything