WirbelWild shows:

Content-aware greeting cards

These greeting cards reverse the logic by which printed materials are usually created. Here, the decision is not made first for a format that is then filled with information as best as possible; instead, information to be communicated is first compiled. The texts are generated from databases and refer to past events and points of contact and therefore have different lengths. Only then do you decide on one of four possible greeting card formats. So “form follows function” or better said “form follows content”. The graphics — especially the one line drawing — are also responsive and adapt to the format.