Apple’s shadow sits across this year’s biggest international mobile phone industry tradeshow in Barcelona, which opens for business today. But competitors are using the event to fight back.While Apple isn’t officially attending (though Apple’s “people” are reportedly exploring the place), iPhone is in full evidence all across the event, with its App Store a particular feature at some stands. T-Mobile, for example, is fully demonstrating iPhones at its stand. Apple’s enemies aren’t prepared to allow Apple’s fast-paced jump to become the world’s third biggest smartphone vendor inside two years to continue without putting up a fight.With an ong
