Goldman Sachs is building an AI-powered digital assistant and checking account for its Marcus consumer bank. Here's how it's shaping up.

· Goldman Sachs has been leaning into consumer banking through its digital bank, Marcus. 
· While Marcus currently only offers savings accounts and credit products, it's looking to roll out a checking account, too.
· Marcus' head of product, Adam Dell, is focused on launching AI-driven digital-banking products.
· "Our...