People walk by a YouTube logo as Google celebrates the 20th anniversary of the first video uploaded to YouTube, at the company's corporate headquarters in San Bruno, California, on April 23, 2025.Josh Edelson | AFP | Getty ImagesYouTube on Wednesday announced a new tool that will allow advertisers to use Google's Gemini AI model to target ads to viewers when they are most engaged with a video. The artificial intelligence feature, called "Peak Points," identifies times when videos receive elevate...