Google-parent Alphabet hit a new record for annual revenue in 2021. It saw a 41% year-over-year jump in revenue to $258 billion for the full-year. Google's advertising business, including YouTube, reportedly accounted for 81% of its revenues across both 2021 and 2020. Alphabet reported revenue of $75.3 billion in the fourth quarter of 2021, up 32% from the year earlier.