Silicon Valley is falling in love with ads again and tech CEOs are acting weirdly

Hello, and welcome to this week's edition of the Insider Tech newsletter, where we break down the biggest news in tech, including:Tech's rekindled love of advertisingWeird behavior among tech bigwigsGoogle's new AI groupDid someone forward this newsletter to you? Sign up here.This week: Silicon Valley is falling in love with ads ... againPhoto By David Fitzgerald/Sportsfile via Getty ImagesThe great reopening is here, and with it, the opening of the purse strings for corporate marketing dollars.