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Giffgaff launches voucher code scheme
O2 backed MVNO Giffgaff launches voucher code scheme aimed at attracting new customers
A hug from the Giffgaff gaffer
O2 ‘community MVNO’ Giffgaff deploys a wiki-style that allows its members to interact, help and recruit other users. And it has created some wacky marketing to raise its name