Whether from the UK, US China or France, smartphone owners all appear to have one thing in common — they prefer black to any other handset color. The findings of the survey, carried out by research firm Strategy Analytics, could be bad news for Microsoft. One of the standout features of its Lumia handsets is their incredibly bright color palette of cyan, yellow, green, orange and red. It might even be a possible theory as to why the company is struggling to gain a significant foothold in the smartphone market.