First, Zenifits business model was novel for a double-ended marketplace... get suppliers (insurance companies, etc.) to sustain the business. How do Zenifits c

First, Zenifits business model was novel for a double-ended marketplace... get suppliers (insurance companies, etc.) to sustain the business. How do Zenifits compare to Paychex (the old standby of payroll processing) and Workly? What are folks using right now to expedite/automate employee provisioning (& termination) around HR things?