Vodafone is the world's largest mobile telecommunications company, offering services to over 260 million customers in 26 countries. It was formed in 1984 as a subsidiary of Racal Electronics and became fully independent in 1991. Vodafone has expanded rapidly through mergers and acquisitions, including acquiring Mannesmann AG in 2000 in one of the largest corporate mergers ever worth £112 billion. Vodafone's vision is to be the world's mobile communications leader and enrich customers' lives by connecting more individuals globally through mobile services.