The phrase 'increase their audience' is correct and usable in written English.
You can use it in any context where you are discussing someone or something attempting to widen their audience, reach, or exposure. For example: "The company used online ads to increase their audience and raise awareness of their brand."
But commenting on the news remains an adversarial pursuit that many women shun, so ways of managing it need serious rethinking if media companies hope to increase their audience engagement.
At the same time, a new generation of hard-rock bands, like Papa Roach and Slipknot, have been working overtime to increase their audience, and many executives hope that these bands' next albums will pick up some of the slack in sales.
Content recommendation widgets are good for publishers that want to increase their audience or for brands using content marketing for lead generation.
If certain media outlets try to increase their audience share by riling up a small segment of the population by making them feel threatened by those who don't celebrate Christmas, I am sure the republic will stand.
Secondly, some speakers have started producing DVDs in order to increase their audiences.
A number of multichannel networks like Machinima, Maker Studios, and others have emerged to provide marketing and production support to creators looking to increase their audiences.
Last July, a new media company called Big Frame emerged to help YouTube stars increase their audiences and better monetize the videos that they were creating, and quickly signed up some of the most-watched independent producers on the site.
And all increased their audience shares.
Theakston and Scott increased their audience from 798,000 average weekly listeners to 925,000.
They also send out streams of comments from rallies, hugely increasing their audience.
They also sent out streams of comments from rallies, increasing their audience.
