Twitter's original logo designer explains why the bluebird worked so well, and how ‘X’ changes everything

This article is also available in Spanish. Please use the toggle above the headline to switch languages. Visit digiday.com/es to read more content in Spanish.Every bird hatches from an egg, but only one was born out of circles.This week, Twitter’s beloved bluebird logo was killed by an “X,” marking the end of an era for the social network as it undergoes a first rebrand under Elon Musk.The image, created by artist Martin Grasser and two other designers, debuted in 2012 and became iconic. However, the process of creating it included sketching countless birds and using circles to develop a sense of “underlying neutrality and simplicity” to symbolize the app.Since then, Grasser — now an artist and founder of the design firm Studio Mococo — has worked with a variety of brands including PayPal, SoftBank, Bumble and Rdio. He’s also immersed himself in the world of generative art, including a new collaboration with the generative artist Vera Molnár that debuts today at Sotheby’s.In an intervi...