PC gaming and UI customization go together like chocolate and peanut butter, or Nutella and literally anything else on the planet. It makes sense, then, that Valve would introduce the ability to completely customize DOTA 2
's grid interface. Once created, players can export and share interface configurations they're especially proud of.
The mouse-over text of the image above was originally "don't do this," so we assume that Valve's example isn't necessarily a paragon of intuitive interface design from which to extrapolate ideas. A complete list of the other, much more esoteric changes included with this patch can be found here