Ultra-compact smartphones may not be as popular as their large-screened counterparts, but that doesn't mean there isn't a nice, cosy place in the market for them, be it a bit smaller. At least, that's what Sony Ericsson tries to convince us in, by unleashing the successor of its last year super-mini, the Xperia X10 mini. The new model is identically named, except for the dropped “X10” part. But how has the Sony Ericsson Xperia mini changed, in order to cater to this year's user requirements?...
