Another of Kram’s focuses - the relationship between new media and architecture - can be seen in the series of interactive spaces which he has not only designed but also built. His ongoing cooperation with the Rotterdam-based Office for Metropolitan Architecture (OMA) has enabled him to apply the results of his research work in a range of complex projects aimed at a mass public, including Seattle Central Library and the Epicenter Stores of the fashion house Prada in New York and Los Angeles for which he developed interactive media applications.