Comment Re:the solution (Score 1) 114
And the online companies in question probably have deanonymized all those accounts and know exactly who is really behind them
Example: How hard is it to 'de-anonymize' cellphone data?
Researchers at MIT and the Université Catholique de Louvain, in Belgium, analyzed data on 1.5 million cellphone users in a small European country over a span of 15 months and found that just four points of reference, with fairly low spatial and temporal resolution, was enough to uniquely identify 95 percent of them.