Copywriting Samples:
Case Histories
Business-to-business copywriting
by William C. Blake
Case histories (aka case studies), with their problem/solution format, will always be popular in technical-industrial advertising. It is human nature to want to learn how others have solved problems similar to our own.
As professional problem-solvers, engineers are particularly drawn to this format, which is underutilized by most business-to-business advertisers.