Update README.md

Author: haehnpt

README.md

@@ -1,6 +1,9 @@
 # blur-anything
 Blur / unblur any element on a website via CTRL + Right Click
 
+## Why does this exist?
+It is sometimes useful to hide business information or personal details when presenting something e.g. in a customer review.
+
 ## Description
 The extension "blur anything" adds one simple command: CTRL + Right Click on any element on a website and it will be blurred to ensure that e.g. business details or personal information are hidden for e.g. a customer review. CTRL + Right Click again and the element will be readable / recognisable. That's it!