Amazon adds HBO and Cinemax streaming (for a price)

Amazon differs from some of its competitors by offering separate add-on channels in addition to what’s included with your Prime membership. Now it’s adding two more: HBO and Cinemax. Cinemax costs an extra $9.99 a month, while HBO is $14.99 a month, so you’re not actually saving any cash over just signing up for HBO Now. Still, there are at least a couple of benefits; you can download Amazon Prime videos for offline viewing (Update: it turns out you can’t