The phrase "ads were replaced" is correct and usable in written English.
It can be used when discussing changes made to advertisements, such as in marketing or media contexts.
Example: "After the feedback from our audience, the old ads were replaced with new, more engaging content."
Alternatives: "ads were substituted" or "ads were changed".
The Pepto ads were replaced in August.
Anne Toulouse, director of corporate brand advertising at Boeing, said that after the attack, those ads were replaced with the salute to the men and women in uniform.
But later that day, consortium officials said, a representative from the company called and said that the ad showing the two men -- which was displayed on heavily traveled streets like Fordham Road and Westchester Avenue -- had prompted several complaints, specifically about the ad's reference to sex, and the ads were replaced either Monday night or Tuesday morning.
MITS was losing money, and by July 1974, the full page prominent ads were replaced with quarter-page ads in the back of the magazine.
Sorry Mr. Brauchli, I'll wait until Shane Evans and the ACCCE ads are replaced with something, anything, besides mythical suggestions of "clean coal".
But Audi points out that its current billboard was planned "long before" BMW's ad was replaced.
The ad hoc committees were replaced in Fall 2007 with the newly formed Public Health Programs Governance Committee and expanded in Fall 2008 to include programme-specific support committees.
They complemented this "click hijacking" with "advertising replacement fraud", where ads on legitimate sites were replaced with other, pay-per-pageview ones that also paid for resulting sales.
Mr. Lambert opened the Fox News Web site on his computer, and both the banner ad at the top of the page and a rectangular ad on the bottom were replaced with a bald eagle illustration.
In the second century ad the wooden constructions were replaced by houses with masonry foundations.
In the 3rd century ad the semi-Hellenized Parthians were replaced by the Persian Sāsānians.
