The cookie, set by PubMatic, registers a unique ID that identifies a returning user's device across websites that use the same ad network. The ID is used for targeted ads. A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. https://opensocialfactory.com/story17321350/la-gu%C3%ADa-m%C3%A1s-grande-para-oracion-al-se%C3%B1or-de-los-milagros