Death rituals continue moving and developing online. A recent example is this story about an Entropia player who memorializes his dead fiancee in that virtual world.
After five years, Jacobs had finally found a way to make his late love a permanent part of their virtual world, honoring her in the virtual setting that meant a great deal to both of them.
Here's a different, interesting, sad approach:
One of the ways he initially dealt with the grief was playing as her character in Entropia, but Mindark has a one-person-one-avatar rule and he was asked to stop.
(thanks to Arnaud Leene)