At the time, in the 1980s, this was a fairly radical concept in credit card marketing since a $ 20 annual fee was standard operating procedure. (creditcards.com)
However, in the message of Jesus the more radical thought of God's grace and forgiveness corresponds to the more radical concept of sin. (religion-online.org)
But UC Berkeley engineers have an even more radical concept for future electronics: invisible displays, using a new atomically thin display technology. (kurzweilai.net)