I know the best place to ask this is twitter itself, but I have already done so: in the forums, by email, by DM. Of course, no response, not even a signup. Here is the detailed question https://dev.twitter.com/discussions/5099
I'm aware that I'm nobody to expect an answer from twitter, especially because they can change their mind at any moment, and if I get a reply "yeah, your service is fine" now, it will be dumb to drop it later.
So, what do you think - it is likely that twitter's new policies are likely to kill my service?