It does not contain any kind of CPU monitor, which might prove to be irrelevant for majority of PC users.
Also, it does not have a setting to use a specific USB driver as an alternative to generic drivers, which might prove inconvenient when a standard USB device does not operate properly and you need a generic solution to plug it into your PC.
Google Currents 1.0
In case you want to use either a or account to use 66cf4387b8 emmaqua