The Yahoo help post offers options for disgruntled users, including howto download your content and access it through another client and howtodelete your account.
" Facebook also says that it's requiring all ad networks todelete any Facebook UIDs immediately "regardless of how they were obtained, " and it insists that it will enforce a "zero tolerance policy for data brokers.
For example, they could delete genes to determine how much of the genome is needed for survival, or see how much genome scrambling it takes to produce a new species.