It’s getting much harder for smartphone companies to really differentiate their products, especially if they don’t already have a loyal user base like the ones Apple and Samsung enjoy. In various marketing campaigns, HTC has tried pushing the high quality of its smartphones’ hardware, Nokia has tried selling us on its killer camera and LG has tried hyping up buttons that live on the back, and not the front, of the smartphone. However, there’s one spec that matters to users more than any other than many smartphone vendors have seemingly overlooked in their ad campaigns: Battery life. The Guardian directs our attention to a new survey from U.K.-based research firm GMI that asked British smartphone users what features were important



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