Looks like you have lots of time to spare given that you want to register as yourself on all those blogs and forums, given that the IDs on the blogosphere cannot be reused on multiple sites without re-registering it.

Unless you pay people to register with their true names, all registrations are pseudonymous, with all the trolling and flames that result from such registrations. Anonymity counters vanity.

Those who are the experts in their fields are typically busy, and they don’t register. Sites implementing registration filter out people who would be otherwise valuable.

New York TImes: “We have X million online readers”
Jane Doe, 90 years old, Afghanistan: “I am six of them”