Blogs, podcasts, social networking sites, and virtual worlds were discussed as popular social media platforms currently and may evolve in the future. Blogs like Huffington Post and TMZ had millions of monthly visitors. Podcast Alley contained 90,000 podcasts across genres. Facebook had 700 million monthly visitors, focusing on photo sharing, while Myspace had 80 million focusing on music. World of Warcraft had over 11 million subscribers interacting in a virtual world. Twitter and aggregation sites may influence blogging and personalized social media in the future.