YouTube keeps eating up more share of the advertising pie: The Google-owned video giant posted $8.1 billion in ad sales for the first quarter of 2024, its highest Q1 total to date. The figure for YouTube ad sales, up 21% year over year, was announced as part of parent company Alphabet’s Q1 earnings. Wall Street analysts expected YouTube’s ad revenue for Q1 to come in at $7.72 billion, according to StreetAccount. That figure doesn’t include subscription revenue generated by YouTube. In 2023, Alph...