I don't think it is very important, and if you don't know whether
you want TWAIN, you probably won't miss it.
Not exact matches
The
twain don't meet often or organically enough, there's precious little in the middle - ground, and so it's hard to have as fully immersive an experience as one
wants.
By the way, the NeatConnect supports
TWAIN, which you will
want if you also
want to use the NeatConnect for scanning to your desktop scanner.