I was member of the coalition doing research on the activation of elderly in play. We visited as a group many locations where elderly are using play and games, and many companies and organsiations buidling products. The result of this research can be read in this publication: Play On >>
TNO_VitaValley_Letsplay_Engels_DEF1 (english)
TNO_VitaValley_Letsplay_DEF_LR1 (dutch)