As mobile devices become location-aware, it will become possible to know when people are physically co-located and to incorporate this information into social software. Is this va...
In this paper we present a new model for predicting text entry speed on a 12-button mobile phone keypad. The proposed model can predict the performance of novice users. Like other...
In this paper we describe an image-based approach to finding location-based information from camera-equipped mobile devices. We introduce a point-by-photograph paradigm, where user...
Texting--using a mobile phone to send text messages--has become a form of mass communication. Building on studies that described how British teenagers have incorporated text messa...
We report on a diary study of how and why knowledge workers use the World Wide Web. By examining in detail a complete two-day set of Web activities from each of 24 people, we cons...