I think we saw this on HN a few months back. Can't find the prior discussion.<p>EDIT - Did a bit more searching: <a href="https://news.ycombinator.com/item?id=14639967" rel="nofollow">https://news.ycombinator.com/item?id=14639967</a>
Interesting article! I worked with complex span tasks in grad school, and just had people silence their phones :(.<p>I wonder how many reaches participants made toward their phones when they were in their desk or pocket (even if they were off) ..