[advertising company] Undertone is a digital advertising company founded in 2002 as a subsidiary of Intercept Interactive, a digital media buying company. In 2010 and 2011, the company introduced proprietary high impact display ad units called `PageGrabber` and `PageSkin`. Undertone`s clients include AccuWeather and Britannica. Undertone ha... Found on http://en.wikipedia.org/wiki/Undertone_(advertising_company)
[advertising network] The Ministers of the Government of New South Wales, an Australian state, are responsible to the Parliament of New South Wales for carriage of the government policy. ... Found on http://en.wikipedia.org/wiki/Undertone_(advertising_network)
a low or subdued tone: to speak in undertones. · an unobtrusive or background sound: an undertone of static from the receiver. · an underlying quality or element; undercurrent: There was an undertone of regret in his refusal. · a subdued color; a color modified by an underlying color. Found on https://www.infoplease.com/dictionary/undertone