IMDb is an example of which type of supply source? By vmartinez IMDb is an example of which type of supply source? Amazon O&O properties Third-party exchanges Amazon Publisher Services (APS) Private marketplaces (PMPs) Related content Related questions:Which supply source enable advertisers to access…Which supply source enable advertisers to access…Ursus is interested in expanding reach of their ads…Which of the following ad types would be used on IMDb?