This document discusses how businesses are using social media platforms. It provides statistics showing that marketing, internal collaboration, and customer service are the top business uses of social media. Factors driving increased social media usage include technological advances, proliferation of smartphones, lower broadband costs, and increased collaboration. The document recommends that businesses define client relationships using a model that shifts from 4Ps (Product, Price, Place, Promotion) to 6Cs (Culture, Credibility, Collaboration, Communication, Conversation, Content). It also provides tips on using Twitter effectively for conversations and reputation management.