Abstract
The thin client paradigm aims to give users access to central resources through inexpensive and easily deployed computing systems. But, however "thin" the client hardware, mobile users in the field still have the burden of carrying it. To alleviate this problem, we decided to adopt as our client a piece of hardware that many mobile users already carry with them anyway: the cellphone. This paper presents our experience in researching, implementing, deploying and using a system whereby users, wherever they are, can query and control their personalised computing resources and services by typing short messages on the keypad of their cellphone. Our system has been deployed and in use for over a year and has given us valuable insights on how to design and build a personal information service.
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