They do not. Also, the ads are sponsored follow-ups. Maybe someday they will be more blatant, but for now at least, they are easily ignored. I almost never use the canned follow-ups.
It is very different because of the size and layout. You almost feel like everyone, including the cooks, are at one big table. It is honestly one of my favorite places to eat alone. It can be really fun at times. Also, kind of dangerous too
I would speak to an attorney to see your next steps both in terms of setting up your business for success as well as making sure there are no issues with your current employment.
You can just use a power connection and not a data connection then. Easy enough to buy a cable or adapter. I do that when I have two phones plugged in.