Social media can be a bit of a maze. It's no longer just about telling your friends what you've been up to: alongside blogs we have mashups, file sharing (the legitimate, business-useful kind like Slideshare.com), podcasts, wikis, video hosting, music sharing, bookmarking...

How do you make sense of all of those and use them to support your marketing efforts - personal or corporate? For one approach, take a look at this post by Lorna Li.