Received: 4 March 2019
Accepted: 16 April 2019
First Online: 15 May 2019
Compliance with ethical standards
: EYT is an employee of Microsoft, owner of the Bing search engine. Work described herein was performed as part of the author’s salaried employment. The authors declare no conflict of interest.
: This study was approved by the Behavioral Sciences Research Ethics Committee of the Technion, Israel Institute of Technology.
: For this type of study formal informed consent is not required.