[1] OVIVO was unique in the UK in offering a free (£0 monthly fee) advertising-funded mobile tariff, which was financed by showing an advert in the user's web browser.
They charged a nominal fee to cover admin and initial SIM setup costs, returning a portion as user credit upon activation.
[1] OVIVO raised £414,000 in exchange for 25.48% equity via crowdfunding site Crowdcube.
[2] The service closed down on Wednesday, 19 March 2014 without prior notice.
The firm's Twitter and Facebook accounts were deactivated the same day, and email attempts were bounced back.