Mobile advertising is one of the fastest-growing advertising formats. In 2013, global spending on mobile advertising was approximately $16.7 billion and it is expected to exceed $62.8 billion by 2017. The most prevalent type of mobile advertising is mobile display advertising (MDA), which takes...

We empirically study the motivations of users to contribute content to social media in the context of the popular microblogging site Twitter. We focus on noncommercial users who do not benefit financially from their contributions. Previous literature suggests that there are two main types of...

Online social networks are used by hundreds of millions of people every day, but little is known about their effect on behavior. In five experiments, we demonstrate that social network use enhances self-esteem in users who are focused on close friends (i.e., strong ties) while browsing their...

This paper examines the popular marketing practice of interdependent ideation where firms solicit ideas from customers through online platforms that allow for customers to be exposed to or “inspired” by other customers' ideas when generating their own. Although being exposed to others' ideas...