Does Google actually sell our personal data? I know they use it to advertise more effectively but I see this claim thrown around a lot but I'm not sure I've eve

Does Google actually sell our personal data? I know they use it to advertise more effectively but I see this claim thrown around a lot but I'm not sure I've ever seen evidence of it. I'm sure they have a treasure trove of data and use it liberally but selling it is something else entirely.