This is really cool. I heard about it from some yacht delivery captains. There's a new program called the Small Vessel Reporting System. When you arrive in the US from a foreign port in a boat, you just call an "800" number, give the names/passport numbers of everyone on board and you're cleared in. No need to physically go to Customs and Immigration any more. I've used it a number of times and it takes about 3-4 minutes. What a great time-saver and it's free to register. You have to Pre-Register online and interview with Customs to get pre-approved and it's good for 5 years.