Be a pro. Back up your back up. Have at least one physical backup and one backup in the cloud. Have more than one of each. How much would you pay to retrieve all your data, photos, notes, if you lost them? Backups are cheap compared to regrets.
The future is already here — it's just not very evenly distributed.
科学家最重要的品质是好奇心——理解事物如何运作的欲望。