The flexible displays are black and white only, with 16 shades of gray. Advertisers are interested, despite the lack of color. These devices can have some programming along with the content; they can show coffee ads in the morning and beer ads in the evening, for example. Also, if the reader is standing in a WiFi hotspot, you could access more information from an ad, thereby combining the best of the web with the convenience of newspapers.

LiveScience.com – Europe Tests E-Newspapers