You aren't selling tangible things; you are promoting the promise of the future.

You are a knowledge-for-profit professional. Your knowledge is your livelihood. I’ve said it before but it’s worth saying again. You aren’t selling tangible things; you are promoting the promise of the future. When it comes to relationship management and client acquisition, it is essential that you take the abstract nature of your business and make it easier to conceptualize by providing people concrete things they can hold in their hands.