I am really interested in the content of this post, and I assume other posts from the author. But his writing style is extremely long winded.

For instance, this is somehow only two sentences.

  It is a fee, ultimately paid by the card-accepting business, which gets sliced up between various parties in the credit card ecosystem to incentivize them to put their logos in the wallets and on the phones of well-heeled customers and increase the amount they spend and the frequency with which they spend it. (In industry, we sometimes distinguish interchange—which mostly goes to the issuing bank—and scheme fees—which mostly go to the credit card brand itself—but as interchange is much larger, let’s just call them both interchange for simplicity.)