You've spent hours creating data. Then... *poof*

Tech people say it again and again:

Back. Up. Your. Data.

In the event of damage or theft, your pictures, documents, videos, are all at risk. You have spent a long time creating proposals, editing pictures, accumulating recipes, creating business invoices. We can sometimes get your data back, but there are no guarantees. 

So please,

Back up your data.