Madlen Nicolaus, right, social media manager at Kodak, Jan van der Veen of Roxen Internet Software and Michael Neumayr, left, freelance journalist and blogger for WAN-IFRA, participate in the tweetup lunch at the Kodak booth.

Later, Pekka Puhaka, CTA at WSOYpro, an educational publisher from Finland, joins the discussion. The talk about Twitter as a communication tool, rather than a tool for advertising only, becomes intense.