https://www.reuters.com/article/us-twitter-results/twitters-ad-sales-surge-but-says-user-growth-could-fizzle-idUSKBN2CG2H8 >Twitter Inc on Thursday reported a surge in sales as ad product improvements pushed revenue past Wall Street targets, joining other big tech digital ad firms such as Facebook Inc and Alphabet Inc's Google whose businesses have proliferated during the coronavirus pandemic.