This is an important part of SL history.
This gave us so many more design options and another way for the residents of SL to use their creative abilities to create better Second Life content.
From panties to cars, from hair to buildings. In fact anything that can be built by a prim can be made by mesh.
We stopped being bothered about prims and became more concerned about land impact.
Avatar appearance is so much more life like and more detailed due to mesh. Clothing is much more detailed and looks more realistic, and hair looks amazing!
Our creativity is constantly evolving as SL evolves.
Read the “mesh coming to Second Life this summer” Blog article