Advances in data collection and algorithms help advertisers to better target individual consumers by predicting each consumer's preferences. We first show that when consumers have uncertainties about their preferences, an ad targeted to a consumer carries an implicit message: the algorithm...

For individuals, the basic architecture of computing is changing. That is obviously about the device itself, with the desktop or laptop computer now being supplemented with other computing devices such as the smartphone and the netbook. That switch, coupled with ubiquitous wireless access, means...