How have smartphones changed the way you live?

Walk down any busy street, mall, or neighbourhood and you're bound to bump into someone with their heads bowed, tapping away at their smartphone
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Walk down any busy street, mall, or neighbourhood and you're bound to bump into someone with their heads bowed, tapping away at their smartphone.
 
It's clear that smartphones have, and continue to, change the way we live - not just socially, but possibly biologically as well.
 
As Ioanna Roumeliotis reports tonight in the first of our two-part series "Sex, Lives and Smartphones," researchers are now studying whether or not smartphones are literally getting inside teenage heads, affecting their brain development.
 
We want to know how smartphones have changed the way you live - from routine tasks, to major life events. Could you imagine living without your smartphone for a week?
 
Share your story with The National, and watch tonight to see what happens when two families give up their smartphones for a week.