The phrase "audiences of users" is correct and usable in written English.
It can be used when discussing groups of people who engage with a particular product, service, or content, emphasizing the user aspect of the audience.
Example: "The marketing team conducted research to better understand the audiences of users who interact with our app."
Alternatives: "user groups" or "user demographics".
The tool, Insight Maker, has been designed to make modeling and simulation accessible to a wider audience of users.
This paper addresses a mixed audience of users and developers in the fields of formal verification, testing, and specification language design.
Sarah Rotman Epps, an analyst at Forrester Research, said Microsoft's relative weakness was a function of not having a big enough audience of users.
HP developed a new Business Answers LinkedIn group and recruited a focused target audience of users by title, company, and association affiliations.
Specifically, the SemaDrift plugin for the popular Protègè platform is intended for ontology engineers, while SemaDriftFx allows a wider audience of users to visually investigate drift either as numeric output or visually through graphs.
When Yahoo announced its headline-grabbing acquisition, it boasted that the deal gave it access to an "unduplicated" audience of users and that its target was a "popular personal publishing" platform.
"We feel our unique offering will attract a whole new audience of users who are looking to take advantage of their high-speed connections with premium services," Meredith Hanrahan, Terra Lycos vice president for entertainment, said in a statement.
The most pertinent advice seems to be: build a large audience of users with a free-access principle supported by advertising and sponsorship and then find ways to charge for added-value services.
"There's something that's just so simple about the 'like' button'... but giving people more ways of expressing more emotions would be powerful," Zuckerberg told the audience of users and employees.
