Following the ltgcd.net url on emoji sign leads to landing page (left). Clicking on one option on landing page accesses 'letter page' (right), on which a photo of the Living The Dream main artwork - sited outside the International Garden Cities Exhibition - above a hand-written letter outling the core idea for the Living The Dream campaign.
Sign featuring emoji icon based on Ebenezer Howard's features.
Possible visitors' book, wherein each visitor would be encouraged to write a short message about how they'd like to see Letchworth develop in the future (which could even provide the basis for another 'summary' artwork). Such a record would also provide clear evidence of the number of people engaging with this process, thus assisting any evaluation - by yourself or myself - of whether this approach to public engagement is worth pursuing. The book might contain image, as in the one shown…
In a fastasy scenario (part of a sequence of fantastical images presented in a gallery), giant signs could be visualised around Letchworth. Unlike this image of a a triffid they'd not be overtly threatening.