Leonardo DiCaprio has been a familiar presence in art fairs, auction-house skyboxes, and museum galas for years, building a reputation as a plugged-in collector hungry for new art—sometimes even acquiring it with the help of his Instagram account. Now the Oscar-winning actor has stepped

further into this intersection of art and technology by becoming an investor in Magnus, the app company that bills itself as a “Shazam for art,” as well as an advisor to the startup moving forward.