General Knowledge Quiz #4 by shambolic

Question 12

Twitter founder Jack Dorsey also co-founded, and currently serves as the CEO of, which electronic financial services company known for facilitating mobile credit card payments? (edited at 1:05 pm, April 29, 2020 (PDT))

Original question: Twitter founder Jack Dorsey also co-founded, and currently serves as the CEO of, which electronic financial services company known for vacillating mobile credit card payments?

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