Internal 13 ways to create active social networking platforms Micro-blogging platforms like Yammer, Socialcast and Present.ly can become dynamic spaces for crowdsourcing and idea sharing. But you might have to give employees a push. Maybe two. By Russell Working@byworkingSept. 22, 2011 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.