angularjs - Preserving The Current State Of A Multi Step Angular Form -

i want put workflow type form built angular. i'm looking find common angular pattern in situation multi-state angular form being processed. i'm going use generic example illustrate problem.

user scenario: user, want register newsletter.

story decomposition scenario: incomplete registration

• i navigate website: http://www.yomomma.org/register
• an angular form presented username, password, email, phone #, etc.,
• i enter information in form , select next button.
• now, on second state, ie http://www.yomomma.org/newsletter-preferences, asking me newsletter preferences how frequent i'd fill inbox, type of newsletter package i'm interested in, blah blah.
• i realize need goto http://www.yodaddy.org/merica because father's day coming , want buy him gun.
• now, go http://www.yomomma.org/register state

how can automagically make angular app know on second page of workflow?

thank peeps.