Field tests suggest that with some modest additional protection, smartphones are robust enough for use and special batteries can prolong time between charges.
In their first field test, five of the 101 decoys (which had similar size, weight and texture to real eggs) traveled significantly, potentially reaching consumers.
Diehl and her fellow researchers wanted to find out if that was true, so they embarked on a series of nine experiments in the lab and in the field testing people's enjoyment in the presence or absence of a camera.