These banner ad companies typically "hide" the recipient's e-mail address in the Web address of the graphic, so that their servers can later match the cookie to the recipient's e-mail address, Smith said.

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They need the ability to encode the message header---the recipient's address---in a new and detectable way.

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Adapted to the realities of each country and the institutions that they choose to adopt to strengthen their national capacities in bioethics, the ABC project's intention is to allow recipient countries to address their needs.

UNESCO: MEDIA SERVICES

He said the equivalent in the nonelectronic world would be a catalog that is sent to a home in an envelope with the ability to send out the recipient's address to other stores the minute the envelope is opened.

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The items are undeliverable because the address is inadequate or the recipient has moved, and there is no return address.

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Nor do you address the population implications for the recipient states.

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Its speediness results from its ability to trigger the recipient's e-mail program to send a copy of itself to everyone listed in the program's address book.

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