Okay, I have a new favorite reply to this request: I didn't read your email, I am nonetheless volunteering to do the thing you asked me to, but screw you!pic.twitter.com/qooRwFT2UJ
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Okay, I have a new favorite reply to this request: I didn't read your email, I am nonetheless volunteering to do the thing you asked me to, but screw you!pic.twitter.com/qooRwFT2UJ
Happy to say the response otherwise has been overwhelming and gratifying. Big thanks to all the old-timers who have converted their account so far! 

I happily converted. I'm curious what percentage of people have.
I haven't run the numbers yet but it's been a lot; way more than I expected. It's been really gratifying!
This is basically my relationship with Dropbox, except for the part where I'm thinking about paying
(I'm in the process of switching to hosted Nextcloud though, I'm not a monster)
I joined Feb 2012. Do I need to convert?
Convert, or repent!
Any chance you'd offer some kind of discounted plan for long-time low-volume users? I've been a member for almost a decade, and always want to support the software I use, but I realistically don't get $22/yr of value out of it.pic.twitter.com/vnBBjEFrOj
In your situation I would cling to the original arrangement!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.