A new article today by John Federman in CRM Buyer looks at some best practices for deploying click to call and chat functionality for online sales and support.  According to the piece, "Click-to-call offers the power of voice, which can help explain complex issues and close sales faster. Many consumers still value this type of interaction and are much less likely to buy certain products without discussing it with a human. Chat enables customer service agents to handle multiple Web visitors at once and allows consumers to interact with an agent to answer a few questions."