Abstract: A preferred embodiment comprises the use of search rankings referring to a data object according to different sets of key words. So a search result according to a first set of key words might have a first ranking in a search result. The same data object including such as web pages and the like might have a second ranking if a second set of search words was used. The data object might appear in search results using a plurality of sets of key words and so when using the first set, also knowing the ranking from using the second set gives more information about the data object.

Abstract: Multiple inventions are included. Also users of an email system are limited in ways including to be able to send only a certain number of emails per day. This can ensure for example that if they spam the system they can be suspended before they can send an economically worthwhile amount of spam.

Abstract: A device for transmitting a 3D image, the device having a converter for converting 2D image signals representing a 3D image into image signals representing a 3D image, a transmitter means for transmitting 2D image signals to the converter and the converter in use being adapted to emit the image signals representing a 3D image whereby an observer is able to observe a 3D image represented by the image signals.