Brave, the privacy-focused browser that automatically blocks unwanted ads and trackers, is rolling out Leo — a native AI assistant that the company claims provides “unparalleled privacy” compared to some other AI chatbot services. Following several months of testing, Leo is now available to use for free by all Brave desktop users running version 1.60 of the web browser. Leo is rolling out “in phases over the next few days” and will be available on Android and iOS “in the coming…