Social scientists report their findings from a five-year research project on communication and information conducted at the Estonian National Museum. The areas they consider are theorizing and analyzing participation, museum audiences as participants, struggles of museum professionals, and digital technologies for participation. Among the topics are when the museum becomes the message for participating audiences, negotiating the expertise and participation of handicraft hobbyists in an ethnographic museum, analyzing participatory activities in museums in Latvia, autonomous expertise and audience participation in exhibition production, happily lost in virtual space, and four studies on increasing the usability of the museum. Annotation ©2014 Ringgold, Inc., Portland, OR (protoview.com)