What does SL stand for?

Scottish Learning, as in the Scottish Learning Festival, and Second Life of course.

 Learn 4 Life is now scaling up for hosting selected seminars and discussions at the Scottish Learning Festival (19th and 20th Sept) in Second Life. You can find out more by visiting the following location on the Learn 4 Life Second Life island
http://slurl.com/secondlife/Learn4Life/74/103/29

What’s more the L4L island launch party is taking place on the L4L island tonight at 7pm. Check out the DJ and dancing at http://slurl.com/secondlife/Learn4Life/233/187/29, and whilst you’re in the area, drop in at the Softease stand and find out more about what we’re doing that’s all things Web 2.0.
http://slurl.com/secondlife/Learn4Life/192/158/26

You can find out more about Learn 4 Life and their Second Life services by visiting their blog.