I have discovered a truly marvelous demonstration of this proposition that .... will not fit in 280 characters.

-- Fermat

I think giving any more details than his three short posts would delve too far into the specific arguments of the paper to be valuable for a wide enough audience, subtracting those that are going to be looking at the pre-print anyhow.

I like how Tao can just write a few quick candid thoughts and post them online for everyone.