(Image blatantly stolen from Living in the Metaverse)
From the Linden Lab Blog:
Real-life images, avatar portrayals, and other depiction of sexual or lewd acts involving or appearing to involve children or minors; real-life images, avatar portrayals, and other depictions of sexual violence including rape, real-life images, avatar portrayals, and other depictions of extreme or graphic violence, and other broadly offensive content are never allowed or tolerated within Second Life.
[...]
Please help us to keep Second Life a safe and welcoming space by continuing to notify Linden Lab about locations in-world that are violating our Community Standards regarding broadly offensive and potentially illegal content. Our team monitors such notification 24-hours a day, seven-days a week.
Select commentary:
From Living in the Metaverse - Spy Thy Neighbour
From Second Life Insider - Our World, Our Rules
From reBang weblog - [edit: deleted this link... long story.]
'nuff said.