To assist the Instagram team in making a well-informed choice, I would begin by examining the successful rollout of Facebook's Rooms feature. This would involve analyzing usage data, user demographics, and any notable profit margins it generated. Subsequently, given Instagram's unique user demographics, I would conduct market research to determine if Instagram users would value this feature. This could involve conducting surveys, organizing focus groups, or even initiating a beta test with a select group of users. If the feedback is favorable and the feature aligns with Instagram's overall product strategy, I would suggest carrying out a detailed cost-benefit analysis. This would entail understanding the intricacies of integrating the Rooms feature into Instagram, the resources needed, potential market reach, and anticipated revenue. A well-rounded strategy that includes user feedback, alignment with Instagram's objectives, and an in-depth cost-benefit analysis would then guide the decision-making process, aiding the team in determining whether or not to launch Rooms on Instagram.