New research from marketing company Tradedoubler shows that mobile devices are having a negative effect on high-street consumer loyalty.

The study found that 52% of online shoppers have at least one ‘performance marketing’ application on their mobile, with 32% using a price comparison app.

Mark Bridge writes:

There’s been a lot of talk recently about PRISM, which may allow the US National Security Agency - and anyone they choose - to access some of our personal online information if it passes through the USA. It’s unclear exactly what (if anything) is being shared with whom… and given the nature of national security, we may never know.

However, alongside the possibility of governments seeing information we thought was secure, it’s also worth pointing out that we choose to share plenty of online information ourselves.

A new report from Juniper Research has forecast that over 950 million mobile phone users will be using their handsets for mobile ticketing by 2018.

That’s more than double this year’s anticipated total of 458 million people worldwide, with most of the growth coming from transport-related services.

The Financial Times has reported that Nokia is expected to stop shipping Symbian smartphones this summer, although it doesn’t expect the company to make a formal announcement.

Nokia chose Microsoft’s Windows Phone OS as its main smartphone platform in 2011 but has committed to providing support for Symbian until 2016.

Samsung Electronics has introduced yet another model to the Galaxy S4 smartphone family.

This one’s called the Samsung Galaxy S4 zoom and has a 16 megapixel camera sensor with a 10x optical zoom lens, along with image stabilisation and a xenon flash.