Dynamic modification of user interfaces is disclosed, based upon identification of the current state of the user and the sensing of a particular situation in which the user is involved and/or environment in which the user is situated. In particular, emotional and mental states of a user are identified and these states are taken into consideration when creating and/or adapting an interface to be used by the user. The interface is modified/created automatically based on identified user biometrics, that is, measured physical properties of the user.
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