Adobe Photoshop gets all the attention but Adobe Illustrator might be used for more things and probably by more kinds of designers. For all of its faults—and even as an Adobe employee, I admit it has many—it’s still a workhorse that gets the job done, and it’s still an invaluable part of the toolbox for many, many creative professionals. Last week the app hit its thirty-year milestone, an incredible achievement. Adobe has a brief write-up of it in this blog post, and this video tells the product’s story very nicely.