Fonebank account

The business of buying and selling disused mobiles is lucrative and environmentally friendly, according to London-based Fonebank. Michael Garwood reports

Blyk market advertising

Ad-funded youth MVNO Blyk has signed more than 200,000 UK customers and 200 brands to its service in the past 18 months. MaryLou Costa chats to its founders about running a brand new advertising model in a recession