It is difficult to incorrectly attach a USB connector. Connectors cannot be plugged-in upside down, and it is clear from the appearance and kinesthetic sensation of making a connection when the plug and socket are correctly mated. However, it is not obvious at a glance to the inexperienced user (or to a user without sight of the installation) which way around the connector goes, so it is often necessary to try both ways.
there are 7.261 x 10^9285328 different things that note could have said but none of them would be anything more than a one-off joke that was entirely irrelevant to the movie or this site
