Demonstrating how versatile Expressions can be in After Effects, Bilal Marri shows how you can create a wide variety of typography animation effects in After Effects by using and modifying one expression.

how to create some text effects by only using a single expression

By using the maxDelay expression in different combinations and working in conjunction with After Effects Text Animators makes for a really simple way to animate type in After Effects. Check out the tutorial for Building Expression Driven Text Animations in After Effects here.