To be frank, most people aren't in the market for a mascot costume. This is a situation that is run into by a large number of small businesses in a niche market; only a small percentage of readers are actually interested in your product/content.
Glenn Street found a great way to use curation to navigate around this obstacle: to "always post things that would be of interest to the broadest audience." Although this might sound like it's easier said than done, it is very important to try and post some content every once in a while solely for entertainment value. This will keep your readers coming back for more, and ensure that all of your content isn't just "dry" industry-related information.
Glenn says that curation has made this task easier beacuse he is constantly adding new content to his page, making it easier to sneak in something just for fun every so often. Although a lot of his readers are current and former mascots looking for new jobs and opportunities, as well as companies looking for new mascots and costumes, these are the types of people who share funny content related to this market. Once that sharing occurs, Glenn's audience expands exponentially and more traffic is driven to his page and his company.
When asked the best way to sum up his best advice for getting a broader audience, Glenn explained that he is "...part of the entrepreneurs organization, and it's a group of over 8k entrepreneurs in 140 cities in 42 countries, and a lot of them have businesses very different than mine. But, one of the things i always say to them is to try to make it interesting - give good content but give a little entertainment as well."