Absolutely. Just read the blog for the Social Fixer extension (formerly known as Better Facebook). http://socialfixer.com/blog/ http://socialfixer.com/blog/

Absolutely. Just read the blog for the Social Fixer extension (formerly known as Better Facebook). http://socialfixer.com/blog/ http://socialfixer.com/blog/ It is amazing how much work he has done as a single person to add new UI features and remove features people don't like while keeping up with the front end changes made by an entire team. You can see from the blog that these changes happen fairly frequently.