Anticipation

In this post Jennifer Rice at What's Your Brand Mantra? asks:

If the purchase process in your company includes a waiting period, what can you do to alleviate "buyer's remorse" and create anticipation?

As lawyers, there is often a significant waiting time between the time we take on a particular assignment and complete it. In litigation, the "waiting period" is often years. How can we keep our clients engaged from the time they retain us until their work is complete?