Both the Light Table team (http://www.lighttable.com/2014/06/10/light-table-and-apples-swift/ http://www.lighttable.com/2014/06/10/light-table-and-apples-...) a

Both the Light Table team (http://www.lighttable.com/2014/06/10/light-table-and-apples-swift/ http://www.lighttable.com/2014/06/10/light-table-and-apples-...) and the Apple Swift lead (Playgrounds feature: http://nondot.org/sabre/ http://nondot.org/sabre/) have explicictly cited Bret as an important influence — his ideas are certainly not going to waste.