Twitter strategies abound throughout the Twitterverse where you can find virtually any explanation for how to begin leveraging Twitter. This is a very basic first phase description of how to screen the people and companies that follow you. Due diligence is important, unless you are a spamming hard sell MLM or affiliate marketer, to building an effective network. Let’s examine my due diligence steps with social media analyst Jerimiah Owyang:
3 Due Diligence Steps to Build Your Twitter Network

Conclusion
It is up to you how you screen your twitter followers and who you will follow in return. I utilized this process 80% of the time. The downside to this process is that it is time consuming. The upside is the fact that you will have a more targeted network that will serve your research, broadcasting, prospecting, sales, networking, announcement, crowdsourcing needs in the future