Just from a design perspective, we didn't really understand how they did it, and so that's just one small example of the kind of research that we were doing.
και από σχεδιαστική άποψη δεν έχουμε καταλάβει το πώς. Αυτό είναι ένα μικρό παράδειγμα της έρευνας που κάναμε.