Noun
writing formed in the sky by smoke released from an airplane
Source: WordNetWomen's studies needed a syllabus and so invented a canon overnight. It puffed up clunky, mundane contemporary women authors into Oz-like, skywriting dirigibles. Our best women students are being force-fed an appalling diet of cant, drivel and malarkey. Camille Paglia
Outdoor media Outdoor media is a form of mass media which comprises billboards, signs, placards placed inside and outside of commercial buildings/objects like shops/buses, flying billboards (signs in tow of airplanes), blimps, skywriting, AR Advertising. Source: Internet
Data such as smoke signals or skywriting are temporary by nature. Source: Internet