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Why are some Second Life user's blogs in Sparks while others aren't?
Torrid Luna's profile photoSean Brady's profile photosserebe herbert's profile photo
I wouldn't worry too much about Sparks yet. It's cleary a replacement for a better news solution (Google News Search or Reader) yet to be integrated to G+.
I setup a Spark for SL, but found it filled with unrelated things, and missing lots of posts.
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