Rotating proxies are a type of proxy server that changes the IP address of the user either for each connection request or after a certain period, facilitating anonymity and circumventing IP bans, especially useful in activities like web scraping and ad verification. Key rotating proxy providers include Bright Data, Oxylabs, and Smartproxy, each offering a range of proxy types—residential, datacenter, mobile, and ISP—with varying features such as automatic IP rotation, sticky IP sessions, and extensive global networks. Bright Data is highlighted as a leader in the industry due to its extensive proxy network, ethical practices, and robust customer support, catering to a wide clientele including Fortune 500 companies. When selecting a proxy provider, factors to consider include network size, IP rotation options, uptime, success rate, customer support, and pricing plans, with many providers offering flexible plans and free trials to accommodate different user needs.