This document provides information and tips on using Twitter for social networking and marketing purposes. It discusses how to grow followers by following others, retweeting, and tweeting regularly. It emphasizes providing value through new information, links, press releases, and being real. Several Twitter marketing ideas are listed like press releases, time-sensitive offers, event updates, and links to blogs. Tools mentioned include Hootsuite, Cotweet, and linking accounts across social networks. The document ends with a Twitter case study on setting up a business account and devoting time daily to be helpful first and promotional second.