POSTCARD
Similar to letters. postcards generally are addressed to individuals. usually by name. Postcards, which include brief messages, are not placed in envelopes, and thus their content should never be of a personal or confidential nature
Postcards often are used as announcement or reminders, and they often complement messages presented through news or advertising media. In some cases, postcards may replace
other such tacties, especially when it is possible to obtain a mailing list of members of the
key pupblic. Organizations sometimes use postcards lo drive traffic to thier websites