This sort of self-dealing is bad in a private company, but for the CEO of one, and soon two, public companies, it's more than that. It's possibly illegal given

This sort of self-dealing is bad in a private company, but for the CEO of one, and soon two, public companies, it's more than that. It's possibly illegal given his fiduciary responsibility to the shareholders. The onus is on Jack to prove why Twitter and Square did business with another business he controls versus other possible vendors.