I’ll answer that for you. It is pretty popular now so there are no flags. But... Host servers are starting to use a 3rd party security ware called “imunify 360”. This service has a prejudice against 9 out of 10 random exit nodes coming from the TOR blockchain. So it forces you to do a google recaptcha verification.
Well at that point you are hooked right back into google again. And I am starting to suspect that the imunify 360 is just detecting that the browser is TOR and throwing this up because it is TOR. But for sites that do not have that particular service it is great.
For anyone who wants to try it out and remain completely anonymous and isolated I highly recommend purchasing a 64 gig USB stick and installing “Tails” to it. The Tails is a “portable” linux OS/TOR browser kit that runs completely isolated on it’s own from just the stick aside from your PC and native OS. And it shares nothing, and it remembers nothing unless you choose to let it. It dumps everything as soon as it is shut down.
Tested to work well with the Free Republic and all sites that do not have imunify 360. Great option for just surfing.