@awws Re: Rails A/B testing, you might want to take a look at http://www.bingocardcreator.com/abingo/ Full disclosure: I wrote it.
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
@awws Re: Rails A/B testing, you might want to take a look at http://www.bingocardcreator.com/abingo/ Full disclosure: I wrote it.