It means round-the-clock as in "it works during the day and night", rather than literally non-stop. For example, if I said that security did "round the clock patrols", you wouldn't assume they patrol every second of they day, but rather regularly through the night.
The fact a few people might misinterpret it is a marketing bonus, but surely negligable, because no one could believe that.
The fact a few people might misinterpret it is a marketing bonus, but surely negligable, because no one could believe that.