OpenAI rolls out a beta version of its new Ads Manager tool to advertisers in the US, making it easier for SMBs to buy ChatGPT ads on a cost-per-click basis (Sara Fischer/Axios)

Sara Fischer / Axios: OpenAI rolls out a beta version of its new Ads Manager tool to advertisers in the US, making it easier for SMBs to buy ChatGPT ads on a cost-per-click basis — OpenAI has launched a self-serve advertising platform, executives said, marking a significant step in its goal of generating $2.5 billion …