from the can't-wait-to-see-what's-next dept.
garg0yle writes "A team has managed to open the Barnes and Noble Nook e-reader, gaining full access to the operating system. From the article: 'The Nook is now a computer running a full Android operating system, with a built-in, free cellular connection to the internet. It also has a battery that lasts days, not hours.' They are documenting their progress on the Nook Devs wiki."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals