ShareThis is an article-sharing widget company that raised about $15 million in funding this past March.  ShareThis is a social bookmarking tool that is similar to Digg.  It was recently announced at the TechStars Demo Day that ShareThis is most acquiring MadKast.

MadKast has a strong team of developers and the technology behind the company is impressive.  MadKast makes it easy to share blog posts through SMS and e-mail.   MadKast raised $300,000 in October 2007 from EONBusiness Venture Capital.

Although they cannot discuss the deal quite yet, MadKast stated that they will have an official word soon on their blog.