Apple has quietly published a rulebook for its new Maps ads, revealing a more curated approach than advertising giant Google. The iPhone maker has not disclosed a launch date for Maps ads, which was announced earlier this year, beyond saying they would arrive “this summer” in the U.S. and Canada. However, the company has published advertiser documentation and Maps-specific ad policies, suggesting the rollout is approaching. In a newly published Apple Advertising Services policy, effective as of...