Instruct: Given the title of a scientific paper, retrieve paper titles that are cited by the given paper.
Query: Smartphone usage in the 21st century: who is active on WhatsApp?
What's up with whatsapp?: comparing mobile instant messaging behaviors with traditional SMS
Characterizing Smartphone Usage Patterns from Millions of Android Users
What's new with WhatsApp & Co.? Revisiting the Security of Smartphone Messaging Applications
A Systematic Assessment of Smartphone Usage Gaps
An analysis of young people's use of and attitudes toward cell phones
Studying Smartphone Usage: Lessons from a Four-Month Field Study
Smartphone usage in the wild: a large-scale analysis of applications and context
"What do they snapchat about?" Patterns of use in time-limited instant messaging service
Characterizing web use on smartphones
Hooked on smartphones: an exploratory study on smartphone overuse among college students
Diversity in smartphone usage
Vivisecting whatsapp through large-scale measurements in mobile networks
cellphones in public : social interactions in a wireless era .
Social Media Use and Access to Digital Technology in US Young Adults in 2016
Smartphones An Emerging Tool for Social Scientists
Habits make smartphone use more pervasive
Health App Use Among US Mobile Phone Owners: A National Survey
Strangers on Your Phone: Why People Use Anonymous Communication Applications
Instagram Use in Emerging Adults
Examining social media use among older adults
A Case for a Flexible Scalar Unit in SIMT Architecture
Closed degloving injury of the thigh.
Development of Korean Smartphone Addiction Proneness Scale for Youth
Scenario-based performance analysis of routing protocols for mobile ad-hoc networks
The value of robotic systems in stroke rehabilitation.