to try the demo you need to sign up. why? to sign up you need a password 8-16 chars. Why limit at 16? geez, I hate Chinese IT companies with a passion.
update: AFTER signing up, and only then, am I told: 'This service is not available in your region yet.'
update: AFTER signing up, and only then, am I told: 'This service is not available in your region yet.'