It's very logical: There is proven ROI in doing whatever you can to turn your customers into advocates for your brand or business. The way to create advocates is to offer superior customer service.
Gary VaynerchukThe reason I was able to grow my business was that every day, after producing 30 minutes of wine television, I spent 15 hours a day replying to every single person's e-mail and every single person's Twitter @ reply.
Gary Vaynerchuk