LONDON, March 18 (Reuters) - Google said it was developing new search controls to let websites specifically opt out of its generative AI features, as the U.S. tech ‌giant sought to address the British competition regulator's concerns about its dominance in search ‌services. The company also proposed in a statement on Wednesday "a less intrusive" switch in a user's device settings to make it ​easier to change the default search engine, rather than frequent pop-ups, which it said would annoy users. Brita ...