Helping customers to solve their problems using SPIN Selling hasn't changed but other things have. The SPIN Selling methodology is more relevant today.
Neil Rackham
Neil Rackham is an author, consultant and academic who is widely recognised as one of the founders of modern sales theory. He is a leading authority on "consultative selling," an approach he pioneered and documented in a bestselling BOOK SPIN®Selling which introduced a new paradigm for big complex transactions in the worlds of sales and negotiation. Neil is the founder and former CEO of Huthwaite, where the SPIN® Selling methodology was developed and where it continues to justify its position as one of the most widely adopted tools by sales professionals everywhere.