The phrase "advertisements may be" is correct and usable in written English.
It can be used when discussing the potential characteristics, effects, or types of advertisements in a general context.
Example: "Advertisements may be misleading if they do not accurately represent the product being sold."
Alternatives: "ads could be" or "advertisements can be".
Specifically targeting individuals or small groups of people, with specially tailored advertisements may be the future of advertising not only on mobile devices and computers, but also in other media formats.
Unlike in print or television, search engine advertisers buy spots without knowing how many times their advertisements may be seen.
A subsequent section of the 2007 Terms of Service provided that "[s]ome of the Services are supported by advertising revenue and may display advertisements and promotions" and that "[t]hese advertisements may be content-based to the content information stored on the Services, queries made through the Service or other information". Id. 107-08.
Additionally, pages are 16 inches tall; advertisements may be any number of inches tall.
The study suggests that advertisements may be persuading consumers to push for newer, costlier medicines when less expensive drugs would work just as well.
The appearance of anti-establishment entertainment figures in a variety of advertisements may be evidence of a shift in attitude from earlier generations.
Each page is 10 inches wide, so an advertisement may be anywhere from one to five columns wide.
That advertisement may be backfiring, because no one succeeds in selling cars in a rural area for 29 years without building a good reputation.
The advertisement may be the first case of the 9/11 bill's being used as an issue in this year's elections.
Our findings uphold the theoretical prediction that the relationship between longevity and sexual advertisement may be dynamic2,3,6,7,8 (that is, either positive or negative), depending on local conditions3,6 such as resource availability.
Of course, for those with unusual names and enough archival material on the Web, an advertisement may be unnecessary, since a biographical Web page may appear near the top of search listings anyway.
