Get new clients by using the "barn-raising" strategy

​​“A barn raising is a collective community action in which a barn for one of the members is built collectively by the community.” -- wikipedia entry for barn raising

...in other words, public goal-setting and recruiting your network to help you reach a specific goal. 

Of course, this is frequently done with fundraising, but why not also use it to get your next batch of clients?I’m not sure, but I may have heard this idea from Tad Hargrave and/or Mark Silver, both of whom I highly respect and reco...