Your strategy doesn't work, FYI. If you have /ever/ used the same device or network they are linked. If you've ever used a credit card across your 'shards', if

Your strategy doesn't work, FYI. If you have /ever/ used the same device or network they are linked. If you've ever used a credit card across your 'shards', if you've ever logged into a service (especially gmail/fb) accross 'shards' then your identities are linked. You'd need entirely separate devices, networks, names, browsing habits, social accounts, etc. You might've lowered their confidence, but that has nearly zero effect. Cross-device graphs are exceptionally advanced.. all the machine learning/etc that gets discussed on hn is used to beat users like you. Oracle is one of many vendors who do this. https://blogs.oracle.com/oracledatacloud/crosswise-questions-answered https://blogs.oracle.com/oracledatacloud/crosswise-questions... https://go.oracle.com/LP=57841 https://go.oracle.com/LP=57841