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The levels of engagement in Twitter are analogous to those observed in other communities. At the periphery of this onion model, we find passive users (in this case, users are ignoring tweets), and as we get closer to the core, users become more active and their interaction is more intimate. Thus you find conversing, retweeting and direct messaging at the core of the figure.

Pirate Bay founder to introduce a micropayment service for web content called Flattr.

Take a break and enjoy this great podcast on saving the newspaper.

Two important changes to the social media landscape over the past couple of days:

• Google’s move into social media (from Google’s blog) and Google taking on Facebook and Twitter (Buzz)
• Flickr co-founder returns to roots by launching an online game (Glitch)

Google’s moves are a good example of countermoves (Google’s response to Facebook’s newly announced webmail product, code-named Titan) as described in Ferrier’s framework on competitive agressiveness.

One interesting play will be the integration with other services such as GMail, Google Maps, and their mobile versions in the case of Buzz. Which side will be in a better position to leverage their existing user base?

Hard to believe, but true. The submission deadline for EuroPLoP is nary two weeks away (Feb 15). The submission is now open and ready to receive your submissions. Just click on the submission tab on the conference website. If you have any questions, please email me at weiss@sce.carleton.ca or Paris at paris@cs.rug.nl. We are also looking for focus group proposals at this time.