jantweepuntnul's profile 

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Who's Jan Klerk?

blogger, parttime writer, geek, librarian and manager at City Library of Haarlem Netherlands

And (s)he is interested in

• bruikbaar
• library20
• microblogging
• reference
• geny
• tools
• web30
• howto
• trends
• twitter
• socialnetworking
• tweetmarks
• innovatie
• onderzoek
• bibliotheek20
• socialnetworks
• web20
• longtail
• technology
• blogging

You can reach Jan Klerk