Real Time Search
http://www.yme.nl/ymerce/2009/07/10/wat-houdt-nederland-nu-bezig/
http://hyves.nl/nu#search=Arnhem
http://search.twitter.com/
http://searchengineland.com/what-is-real-time-search-definitions-players-22172
Marco Derksen is onderdeel van
Upstream
