Twitter came of age in 2010, growing at a scorching pace —from 75 million users at the beginning of the year to more than 190 million by the end of December. Twitter is used (officially) in 65 of the Fortune 100 companies , 63% of small to midsized businesses, and nearly half of all B2B enterprises. What types of information are worth sharing, beyond blog posts? Which companies are really succeeding on Twitter, and how are they doing it? What’s a Twitter chat, and how do I participate in one? Which are the most helpful third-party tools for Twitter? MORE >>

48% of these consumers responded to a retailer’s offer posted on Facebook or Twitter. Twitter is about in the middle (55% of users age 35 or older) while 65% of Facebook users are over 35 (didn’t this start with college students?) Slashdot is almost 90% guys); LinkedIn is close to a 50-50 split; Twitter and Facebook are both about 40% male / 60% female; and women account for almost 90% of Pinterest users. 83% use Facebook and 53% are on Twitter, though that gap is expected to narrow by 2014 due to rapid growth in Twitter use. Twitter Facts. But 3.1 MORE >>

A year ago, the #Nifty50 honored 50 remarkable men and women on Twitter. These are the leaders in the information and communications technology sector who truly “get” social media and social business. We’re proud to acknowledge these 50 women from 41 different organizations as the top #Nifty50 women of technology on Twitter for 2012. Now a Business Information Analyst at The Mint Partnership, Valerie has an extensive background in the architecture and engineering industry. She’s a rock star on Twitter and also speaks French. MORE >>

Twitter. In this separate post , I’ve provided some helpful ideas on building a targeted audience through Twitter. It makes no sense to work on micro-content on Twitter if you have nobody listening!  1) Create a habit of sharing — When you read something that interests you, share it on Twitter. Adding your comment to relevant YouTube viral videos can create impressions with thousands of people who are interested in a related topic. This can be an extremely complicated, time-consuming and expensive proposition! LinkedIn forums. Comments. Tweet This! MORE >>

You can set up a listening post using tools like Radian6, or simply set up an RSS feed from sources like blogs, Twitter, LinkedIn, Focus, Quora, YouTube and Wikipedia, so you can keep current with what’s being said in your field. If you want to be seen as a thought leader in your industry, or a trusted advisor to businesses trying to solve problems, then it’s all about content.  Or publish an informative blog and promote it via Twitter and LinkedIn micro posts. Editorially, the tone should be informative, not sales-y.  What should I be doing,” they ask.  MORE >>