2 ms·
This is probably less savvy than that. If you login to various apps across devices, particularly a Google account, they are linked by a GUID. This can then be u
by shostack 10y ago
This is probably less savvy than that. If you login to various apps across devices, particularly a Google account, they are linked by a GUID. This can then be used for retargeting purposes as the advertiser wants to target the person and usually not just the particular device/cookie.
- rodgerd 10y agoTo clarify: the ads migrated from being served to my work PC (where I never log into a personal Google account), to my phone (on the same network), to my home PCs (including other people who aren't using my personal Google account).