Bill Thornton, Alyson Faires, Maija Robbins, Eric Rollins:

Results of two studies reported here provide further evidence that the mere presence of a cell phone may be sufficiently distracting to produce diminished attention and deficits in task-performance, especially for tasks with greater attentional and cognitive demands.

[source: https://www.facebook.com/536435025/posts/10155127827265026]