Consulting and finding a productto sell
Anyone that tells you it is easy to change the way groups do things is either a liar, a management consultant or both. Change is hard for individuals; for groups it is next to impossible.
The Economist, June 1990.
When consultants get together they will often talk about the limitations they suffer by only having their time to sell. It is sometimes seen as a major concern as it definitely limits their potential income.
Of course the profession of IT consulting ...