How often do you need to change the oil on a cat? Every 10K Meow-les? And to be on topic, you'd need a trusted 3rd party to manage those. But lately we've seen

How often do you need to change the oil on a cat? Every 10K Meow-les? And to be on topic, you'd need a trusted 3rd party to manage those. But lately we've seen you can't trust them to secure / not resell your data anyway.