Every Social Network is Different: Here's What You Need to Know
Techipedia: Tamar Weinberg
JANUARY 25, 2008
For example, just the other day I stumbled upon an Apple press release from 2003. And that differentiates StumbleUpon from the other social “news networks. As I pointed out in a recent Problogger post , Digg is not so much of a “social bookmarking site, but StumbleUpon certainly is.
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