A new advertising campaign from the Metropolitan Police is warning people to appreciate the value of their possessions and to protect them from the risk of street robbery.

Radio advertisements and posters are reminding Londoners to protect mobile phones, tablets, jewellery and cash - although it’s phones that are the favourite target for thieves.

Financial institutions representing 90% of all current accounts in the UK have committed to launching a new mobile payment service in spring next year.

Customers will be able to make payments by quoting the recipient’s mobile phone number instead of their bank sort code and account number.

We start this week with a look at troubled UK retailer HMV before moving on to research that sheds new light on mobile data usage.

You'll also find a new mapping app, increasing free WiFi coverage, a phone service designed for children and preliminary quarterly results from Samsung and Nokia.

BT has launched a new application that’ll let its fixed-line customers use an Apple iPhone for calls, with charges added to their home account. The SmartTalk app is free and will work over WiFi or a mobile data connection.

Calls made via the app - whether in the UK or abroad - are billed as if the user was calling from their BT home phone.

Online retailers are focussed on improving the customer experience for web shopping this year, turning browsing into sales across all devices. That’s according to the 2013 State Of Retailing Online survey from retail community Shop.org and research company Forrester Research.

In fact, 51% of US retailers surveyed said their top priority for 2013 was site optimisation.