meta/new-web: another revision of the main-page blurb
meta/new-web: another revision of the main-page blurb

(In cooperation with everyone who wrote the previous versions.)

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket