Mobile Minutes: Tech versus fashion; Apps for water management; Students upstage colleges; Smartwatch showdown

Plugged-in over preppy: Teenagers favor tech over clothes
For some teenagers, wearing last season?s jeans will always be unthinkable. But a growing number consider texting on a dated smartphone even worse.

Drought, leaks, poor sanitation and reporting the neighbors for wasting water - new apps aim to tackle persistent water problems.

Students are showing up the universities that trained them by producing faster, easier-to-navigate, more informative and generally just better versions of the information systems at the heart of undergraduate life.

South Korean electronics giants Samsung and LG have gone head-to-head by unveiling new smartwatches on the same day - but Samsung is ahead on new features, with 3G connectivity to allow you to make and receive phone calls without a smartphone.