Connecting Formsort to Segment allows you to easily integrate your flows into the rest of your stack. Segment can receive and broker access to both event and response data, and allows you to create a single view of the customer. Segment also provides connectivity to over 300+ tools.
No, unless you explicitly allow it.
Yes, you can send data to any destination. Google Analytics can also be configured directly.
Not yet, but it's coming in the next few months.