The web is still a young platform, and we’re only now beginning to recognize what “success” looks like for large projects. In his recent Smashing book, [Success at Scale](https://www.smashingmagazine.com/printed-books/success-at-scale/), Addy Osmani presents practical case studies featuring the web’s most renowned companies and their efforts to make big changes to existing apps and sites. In this article, Addy shows some of the key insights he has learned.
