Houzz, as the panel suggested, helps to create an ad hoc visual language, a language of design - if you will ... shared by users of the site. And in response to activity already happening naturally on the site, Houzz formally added a Collaborate feature this year. To nutshell this, pros and homeowners can now develop ideabooks jointly. A pro or a homeowner simply creates this "collaborative ideabook", and they may make it public. But collaborating to Houzz may in fact be far more effective if set as private - an invitation sent (via notification or email) to the parties participating. [...]