Upon release, Pokemon Go, an augmented reality technology based game garnered tremendous interest in the public, with an average of 20 million daily active users. The game combines geo-spatial elements along with gamification practices to incentivize it’s users movement in the physical world. Such incentives can have potential externalities to businesses associated with them. Using online revie...

OBJECTIVE To evaluate the safety and effectiveness of e-cigarettes, by comparing users of only e-cigarettes, smokers of only tobacco cigarettes and dual users. DESIGN Prospective cohort study. We update previous 12-month findings and report the results of the 24-month follow-up. DATA SOURCES Direct contact and questionnaires by phone or via internet. METHODS Adults (30-75 years) were clas...

The privacy of e-learning systems has become a big concern. This paper proposes a new approach, which can effectively protect the privacy of e-learning users. We propose to use the alias and anonymity to implement the privacy preservation for e-learning systems. Through the approach, a unique alias represents the real e-learning user to communicate with each other or e-learning users use the an...

Background We investigated the relationship between receptivity to electronic cigarette (e-cigarette) advertisements at baseline and e-cigarette use at follow-up among adult baseline non-users of cigarettes and e-cigarettes. Methods A nationally representative online panel was used to survey non-users of cigarettes and e-cigarettes (n = 2191) at baseline and 5-month follow-up. At baseline, re...

This paper describes the design and implementation of the Lucent Personalized Web Assis tant LPWA LPWA is a software system that enables a user to browse the Web in a person alized simple private and secure fashion and to lter junk e mail spam LPWA generates secure consistent and pseudonymous aliases personae for Web users Each alias consists of an alias username an alias password and an alias ...

This study examines the associations of internet information literacy with two variables: (1) the ability to work with technical aspects of the internet (internet skill), and (2) attitudes about the need for qualitative necessities in the development of e-services. A hierarchical regressions software analyzes data from a national sample of 2134 internet users. In this paper, internet literacy i...

OBJECTIVE To describe electronic cigarette (e-cigarette) use and cigarette use among adolescents and determine whether established risk factors for smoking discriminate user categories. METHODS School-based survey of 1941 high school students (mean age 14.6 years) in Hawaii; data collected in 2013. The survey assessed e-cigarette use and cigarette use, alcohol and marijuana use, and psychosoc...

RATIONALE Rates of adolescent electronic (e-) cigarette use are increasing, but there has been little study of the chronic effects of use. Components of e-cigarette aerosol have known pulmonary toxicity. OBJECTIVES To investigate the associations of e-cigarette use with chronic bronchitis symptoms and wheeze in an adolescent population. METHODS Associations of self-reported use of e-cigaret...