Your smartphone might seem as essential at work as anywhere else.
Your employer might disagree.
While most workers own mobile phones and keep them within sight, some employers see them as productivity killers and a few are banning or otherwise regulating them, experts say.
Three-quarters of employers polled in a recent Career Builder survey said two or more hours a day are lost in productivity because of distractions such as texting, the internet, social media and email, along with the more traditional time killers such as smoke breaks, visits from co-workers or office gossip. Fifty-five percent cited phones and texting for decreasing productivity, more than any...