I have Jetpack Infinite Scroll plugin recently installed.
We're having trouble across different browsers and operating system, logged in, logged out, on our custom theme.
I think we have it working on our development URL
but it's not playing the same on the LIVE url, only real difference is
(a) the guy installed on the DEV url and I put it on the LIVE url (so it could be me messing it up, but I don't think so)
(b) the LIVE site has cache but I don't see how this would effect it : (