Apple is suing Samsung, arguing that its designs are illegal knockoffs of the iPhone and iPad lines.
Post offices will stay open, but many say the service's chronic financial problems could make it obsolete.
Both governments have launched initiatives to clear obstacles and align product regulations.
Local business leaders say the ad, which criticizes Angus King's former spending record as governor, is off the mark.
Avesta promises to use sprinklers and keep neighbors informed, but skepticism lingers.