GiffGaff to upgrade MVNO platform; BT Wi-Fi hotspot number 3.5M

> Israel's Partner Communications is looking to sell its controlling stake in the mobile operator that trades under the Orange brand. Article

> BT has announced that its now has 3.5 million Wi-Fi hotspots in the UK and Ireland. Article

> Vodafone Germany will outsource its customer-care activities to Bertelsmann. Article

> GiffGaff will spend £1.5 million upgrading its MVNO platform and hire more customer services staff. Article

> Vodafone research claims mobile data traffic will increase over 80 per cent each year. Article

And finally... Path has been uploading users' address books to its servers without users' knowledge. Article