Abstract: An unmanned aerial vehicle (UAV) for creating aerial message. Upon user's inputting a message, character, image, shape, or pattern that the user desires to skywrite into a computer, an UAV attached with smoke/vapor generator automatically pilot itself to skywrites the message, character, image, shape or pattern with smoke or vapor trails in a location specified by the user. The UAV for creating aerial message comprises of an UAV, a smoke/vapor generator, UAV control unit, and computer.

Abstract: This invention relates to a card with alterable security features are displayed and method of enhancing security of a financial transaction card. The present invention provides a financial transaction card with alterable ID/Security features including an E-paper display unit on one or both surfaces of the card that displays alterable ID/Security features. The alterable ID/Security features include account numbers, names, security codes, dates, phone numbers, addresses, photos, and computer-readable codes. The alterable ID/Security features can be edited, changed, erased, or replaced.