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Candidates are already trying to use the World Wide Web to attract voters, with sites that offer video clips, questionnaires and invitations for visitors to "get involved" by volunteering to work for the campaign, donating money or at least signing up for regular E-mail updates.

As is the case with most companies' mailing lists, those people signed up to receive E-mail updates and offers while they were visiting Macy's Web site, and they can unsubscribe to the list at any time.

E-mail updates are a free service from the Federal Emergency Management Agency.

Residents who subscribe to Eastchester's free virtual town hall service will receive E-mail updates of town affairs - including information on recreational programs, garbage pickup changes and health alerts.

E-mail updates are a free service provided by FEMA.

E-mail updates are a free service from socialsecurity.gov.