I believe Twitter is the best platform to promote your business simply for the fact that Twitter breaks the third wall between customers and businesses. Customers are always looking for transparency in a business. It’s what builds customer loyalty and what generates a grassroots form of advertising through customer word of mouth.

I think @rich-brooks hit the nail on the head when he said “the one your customers and prospects are on.”  However, I also think it’s just as important to be noticed by using the major social media platforms to build credibility for your business by providing as much useful business information on these platforms as possible.  As you become recognized as a knowledgeable source, your chances of attracting new business increases.

While on the subject of Social Media platforms to spread the word, here is a link to an interesting article about The Pros & Cons of Google+ for Small Business that I Tweeted earlier today.

 http://mashable.com/2011/12/25/google-plus-for-small-business/