How do you keep your online address-book?

[Patrick O'Callaghan]

On Sun, 2009-09-06 at 10:33 -0500, Steven Stern wrote:
> I keep my contacts in a Gmail account.  Using EAS, it syncs to my
> iPhone and, using the GContactSync extension, to Thunderbird on my
> Fedora desktop.

For the acronym-challenged among us, what is EAS?

poc