tokens: Lastly , the authors thank the following people for their support in research of cross - context communication in Web browsers : Oywind Sean Kinsey , developer of the easyXDM cross - context communication framework ; Tobias Nelkner and Philipp Rustemeier , members of the MATURE project ; Scott Wilson , contributor to the Apache Wookie project ; Bodo von der Heiden , member of the Responsive Open Learning Environments ( ROLE ) project ; and Fridolin Wild from the Knowledge Media Institute , Open University , UK .