Transcript for Teen Helps Stop Unwanted TV Show Spoilers via Twitter
He is the teenager was invented a -- for one of the most common complaints about Twitter. Yet you're one of the millions who have had plot twists on your favorite TV shows spoiled by Twitter this apple may just -- -- thing you've been waiting for. And he's -- Hernandez has the story. I cannot tell you what I'm wearing. It happens to all of us trying to catch up on the latest scandal -- scandal. Trying to find out what happened next -- the he said there either. But you just haven't gotten a chance to tackle your Tivo and then he'll log onto Twitter. And hash -- Spoiler alert everyone is talking about would have been in the episode. Eighteen year old New Hampshire high school senior Ginny -- say he got tired of seeing TLC's dance -- -- -- -- what. -- created an app for that what Geneva. And attacks and the TV show you're watching and you need for -- court. Mcginnis all of the tweets about the show against -- and -- then I can -- -- -- program. -- took home the grand prize TV next annual pep talk Danny come on out here. It's sort of science fair for programmers. Here's -- -- for less than a day to create -- digital spoiling your path it took me twelve hours to do the -- I just imagine all the real wouldn't surprise endings that could have been avoided. And oh yeah spoiler alert Bruce Willis in the six cents -- and yeah. Luke's father and son reunion. -- -- Now Juan thanks to -- -- generations of procrastinators to come can enjoy those moments unspoiled. The app will be available within the next few weeks late for anyone keep going Monday -- heat vs bulls game. But plenty of time to block out any upcoming zombie attacks for Good Morning America time Hernandez ABC news New York. That's a good mothers against -- have selected -- Graham you're playing -- down Monday.
This transcript has been automatically generated and may not be 100% accurate.