AT&T (NYSE: T) said today it launched two new social media and entertainment applications — JuiceCaster 6.0 and Buzzwire. JuiceCaster lets you upload videos and photos to communities, like YouTube and Flickr, Facebook and Twitter, and view, rate or comment on content from your phone. Buzzwire lets people stream media to their phone, including video and audio, such as live Internet radio. JuiceCaster costs $2.99 a month and all AT&T customers have to do to sign up is text “Juice” to 386. Buzzwire, which was actually launched last month, costs $4.99 a month and is available at the AT&T MediaMall. Buzzwire has addictive features, such as providing a list of the top 10 most popular video clips on the Web. Release.