As I understand it, the 10k isn't that your tweets are 10k, it's that you can attach a 10k text-document to a tweet, just like you can attach a picture or a lin

As I understand it, the 10k isn't that your tweets are 10k, it's that you can attach a 10k text-document to a tweet, just like you can attach a picture or a link to a tweet. With that in mind it makes perfect sense since people were already doing that with pictures-of-text.