in the super public consumer space, search engines / answer engines (like chatgpt) are the big ones.

on the other hand it's also led to improvements in many places hidden behind the scenes. for example, vision transformers are much more powerful and scalable than many of the other computer vision models which has probably led to new capabilities.

in general, transformers aren't just "generate text" but it's a new foundational model architecture which enables a leap step in many things which require modeling!