Originally Posted by
BuildingMyBento
In any event, the HK e-channel (for non-residents) is inefficient, and I think the slip is a waste of paper.
eChannel saves me an average of 25 minutes per week (most often at Shenzhen Bay or the HK Macau Ferry Terminal... Huanggang doesn't have eChannel for passports yet).
I happen to dislike passport stamps because adding extra pages is annoying.