This source was very helpful, as it was a highly credible news agency, as well as presented quotes from people involved in the company responsible for the feat.
This source was very helpful, as it was a highly credible news agency, as well as presented deeper information behind how it was done. It also gave some extra history about Monopoly's place further down in time.
This site was mildly helpful. Even though it is not a highly credible source, it helped to give me a better idea of what to search for. And once I began to see similar information from the other, more credible sources, it confirmed it's use.