This coming week sees the latest in the series of CNN Future Summits. This time, Kristie Lu Stout looks at the possibilities of "virtual worlds", "where reality meets imagination, and computer technology...comes to life". The show features entrepreneurs and leaders in Singapore and Palo Alto, California.

CNN Future Summit premieres on CNN/I this Wednesday at 1400 gmt (in place of Your World Today Hour 1), and is repeated on Saturday 16 June at 0600 gmt, 1400 gmt and 1900 gmt, and on Sunday 17 June at 0600 gmt and 1900 gmt.