Alphabet handily beat Wall Street analysts’ estimates for earnings per share in the first quarter and also topped revenue expectations thanks in part to YouTube advertising. The tech giant reported total revenue of $90.

Google parent Alphabet reported first-quarter revenue and profit that beat analysts’ expectations, sending shares higher in extended trading Thursday.

Google parent Alphabet unveiled a $70 billion share buyback and beat quarterly revenue estimates on Thursday, benefiting from steady growth in its digital advertising business, which helped offset muted growth at its cloud computing unit.