The book was written to answer the following question:
How has the movement from language-based media to image-based media and electronic media altered our sensibilities and how, in turn, has this change in sensibility shaped today’s preachers? (p. 16)John Dyer has a good summary of the book here.
Dr. Gordon recently delivered some related lectures at Amoskeag Presbyterian Church on “Reformed Worship in the Electronic Age.” My friend James Grant recently told me that they were some of the best lectures he's heard in a long time:
You can also read a Word doc with his outline and notes: Reformed Worship in the Electronic Age.docFor those who want more, Dr. Gordon also did a roundtable discussion on these issues at the Reformed Forum.