Don't use the app if on mobile, use a browser. You can still read if not logged in.

On desktop/laptop you should still be able to view in browser, so long as you aren't logged in. If you can't ,close the window/tab and delete all Twitter cookies, then try again.

ETA: Oh see what you mean. Just gone to read Poso's feed and when you expnad the comments on a Tweet it won't let you view until you sign up or log in. Well damn, they must have brought that in today as it was fine last night! Gits!

Don't use the app if on mobile, use a browser. You can still read if not logged in.

On desktop/laptop you should still be able to view in browser, so long as you aren't logged in. If you can't ,close the window/tab and delete all Twitter cookies, then try again.