Share this postpassion > practicallinks for 2009-10-31Copy linkFacebookEmailNotesMorelinks for 2009-10-31Anonymous InkOct 31, 2009Share this postpassion > practicallinks for 2009-10-31Copy linkFacebookEmailNotesMoreShareMedia140: How Twitter has affected brands| Media | guardian.co.uk(tags: twitter socialmedia media marketing digital howto brands pr blog)