Newwebservicessuch as GoogleFontAPIandFont Deck, alongside existing services such as TypeKit, have helped web designers use fonts outside of the very small set ofweb-safe fonts.
Along with building their own service (which now includes access to 1, 500 fonts with another 1, 000 classic fonts soon to come through an agreement with Monotype) Typekit has also been collaborating with Google for the last couple of years on its webfont APIs.