Odiogo Listen Button
Odiogo monitors the RSS feed of your blog and automatically creates a high-fidelity, near human quality voice file for each of your posts. The Odiogo Widget displays a 'Listen' button above each post which, when clicked, plays the audio version of the post. The Odiogo 'subscribe' button displayed in the sidebar of your blog allows your readers to subscribe their iPods or MP3 players to the audio version of your blog.
Example:
