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"Blake, you don't have to make the walkie-talkie sound. There isn't a microphone. No one can hear you."

Someone at some point had to lay this bit of truth on Blake Bortles, who recently admitted he had no idea how the NFL helmet transmitters worked when he entered the league.

The Jacksonville Jaguars rookie quarterback dropped this amusing bit of trivia Tuesday during an interview on The Dan Patrick Show. Bortles admitted he initially tried to respond after hearing his coaches calling the play in his ear.

In Bortles' defense, helmet technology probably isn't the biggest thing on a rookie quarterback's mind during his first NFL start. Also, I'd wager that about 95 percent of people assume NFL helmet transmitters are Star Trek-style, back-and-forth communicators. For all we know, Bortles and Gus Bradley are Skyping in there.

In any case, Bortles is a different man now.

He's developed the accumulated wisdom that comes with 10 pro games, 15 interceptions and 34 sacks. He now understands that calling a timeout is more effective than yelling, "Come back, Car Ramrod! I need your assistance!" into a microphone that doesn't exist.

Sniff. They grow up so fast.

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