Complex sentence: Shrek's official Facebook page was launched by DreamWorks on December 1,2009, and was used to promote the products and spin-offs of the franchise, with the title character "speaking" to his fans through posts.
Split into simpler sentences: Shrek's official Facebook page was launched by DreamWorks on December 1,2009. This is where the company promoted the products and spin-offs of the franchise and made the title character "speak" to his fans through posts.