I am kind of glad everything I have ever said is not in some blockchain. Apart from that, most chats are not something you would save to your hard drive because ita not worth the drive space.

I think Chats should be mostly ethereal. What if they were on another blockchain that could discard the chat information from time to time. Or what if hard fork 20 allowed for a class of data to get purged from the block chain. Then chats could go in and then get purged. The Steem BC is aleeady under a lot of load. I could not pay a penny to buy something today.