From the category archives:

Audio Content

Springwise points to Louis Vuitton’s branded walking tours of three Chinese cities – created in association with Soundwalk.
Designed to immerse the user in the sights, sounds and stories of the three cities – Beijing, Hong Kong and Shanghai – the MP3 audio guides ‘give consumers some of the experiences and status skills they so ardently [...]

Written content has something of an advantage online – it’s easier for search engines to find. Then again, you shouldn’t be creating your content for search engines – you should be creating it for people – and people like pictures. And sound. And video.
So don’t be afraid to experiment with different content formats.
Try Video Content
Sites [...]