I recall hearing that its due to scaling/db limit. Something like they cant actually go back further due to memory limits. Ive no idea if this is true or not. I

I recall hearing that its due to scaling/db limit. Something like they cant actually go back further due to memory limits. Ive no idea if this is true or not. If the Twitter team skype in at the next uk #devnest I shall try and remember to ask.