Null comparative

The null comparative is a comparative in which the starting point for comparison is not stated. These comparisons are frequently found in advertising. For example, in typical assertions such as "our burgers have more flavor", "our picture is sharper" or "50% more", there is no mention of what it is they are comparing to. In some cases it is easy to infer what the missing element in a null comparative is. In other cases the speaker or writer may have been deliberately vague in this regard, for example "Glasgow's miles better".