For some reason addons.mozilla.org was bugged and was not letting people download 1.3, now you can download it!

https://addons.mozilla.org/en-US/firefox/addon/13508/

Version 1.3 is out:

Added several new gateway survey systems to block:

• Dollarade
• Adscend Media
• Blvd Media

Version 1.1 is out:

• Updated PerfectTracking / Cpalock algorithm

CPA Block is a Firefox plugin that can automatically block survey popups. including CPALock, Perfecttracking, Instant Dollarz, and more.