in Ubiquitous Computing, UBICOMP(6)
时间：2025-04-21
Privacy is a severe problem facing mobile computing. The fundamental question arises: Who gets to know personal data stored on handhelds? Most of current handhelds (personal digital assistants, mobile phones, etc.) are equipped with wireless communication
erstrolling.
Figure5.Screenshotofthe"PDA"whencom-
municatingwiththevendingmachine.
in Ubiquitous Computing, UBICOMP(6).doc
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