TULSA, Oklahoma - Voting for the last three designs in the Tulsa Flag campaign ends Wednesday at midnight. 

Aaron Miller, a recruitment and retention officer for George Kaiser Family Foundation, is also a Chicago native, he believes the flag can be a golden opportunity for branding.

Miller studied city development at the University of Michigan, and loves Tulsa now - but before he moved here, he had to Google where Tulsa was.

"I think that's a huge problem for Tulsa. People around the country do not know what it is, where it is and how cool it's becoming," Miller said.

A privately-funded group behind the new Tulsa Flag project said it's already received more than 7,500 votes on the final three designs.

The campaign has received a lot of negative feedback, but Miller likes the design options. He said the Chicago flag is a great example of how a city can use a flag to market itself.

The two blue stripes and four red stars over white representing Chicago is simple and is used extensively on merchandise.

While Miller said something like a flag design is a small detail, it can be part of a bigger picture for a city’s growth.

"How your city creates its reputation, and just the little things that make people say, 'Oh, that's a cool place,' really do matter," Miller said.

The Tulsa Flag group said despite a lot of negative feedback on social media, it's seeing positive reactions, too.

The city council and the mayor both have to sign off on the final design. The Tulsa City Council talked about the flag designs Wednesday but they did not take any action.

Tulsans can cast their votes by texting either A, B or C to 918-376-5690.