We explore how internet browsing behavior varies between mobile phones and personal computers. Smaller screen sizes on mobile phones increase the cost to the user of browsing for information. In addition, a wider range of offline locations for mobile internet usage suggests that local activities...

The process of developing a new technology through open discussion has been called collective invention. This paper documents two episodes of collective invention and proposes a general model based on search theory. The first episode deals with the development of mass production steel in the...