Barry Diller's Match.com boasts 1.2 million subscribers and Yahoo Personals has 5 million paying users.

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Its next biggest rival is Yahoo Personals , which is sweetening its service with voice and video capabilities.

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Barry Diller's Match.com boasts 1.2 million subscribers and Yahoo (nasdaq: YHOO - news - people ) Personals has 5 million paying users.

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