A phone's lock screen – displayed on the front of most smartphones – is the digital age's wallet photo: Each offers personal inspiration, a hint of home or a mood-booster. TODAY.com is asking Olympic interviewees to show us theirs. Check back for more during the Games.

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Merrill Moses and Heather Petri, water polo players
Moses has a way to keep both family and Team USA ambitions within easy reach. His (racy!) lock screen photo shows his wife posing nude with an American flag.
“She did a photo shoot for our wedding book, like a present for me,” the water polo player told TODAY.com, adding that he hopes his wife Laura doesn’t mind that she shared the photo with us. (We hope so, too!)
Four-time Olympian Petri’s phone lock screen is bit more wholesome: A collage of photos that reveals a necklace owned by every member of the team. It's a constant reminder of the bond she shares with her group.

Special to TODAY.com
Missy Franklin, swimmer
Even “The Missile” has to chill out sometimes! The 17-year-old’s lock screen picture – a collage of photos taken during a training trip -- gives a glimpse into her activities out of the water.

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Jonathan Horton, gymnast
Horton is no stranger to the weight of a medal – he won a silver in high bar and bronze in overall team competition at the 2008 Beijing Games. This time he's going for the gold, and his phone’s lock screen features a photo of the 2012 bling he and his teammates are vying for in London.

Sarika Dani / TODAY.com
Jordan Burroughs, wrestler
Burroughs may have the most awesome Twitter handle of any athlete: @AllISeeIsGold, which has more than 22,000 followers. “I love to win,” he told TODAY.com. His lock screen features a spinoff from the same concept. It’s a photo of a T-shirt he made for the Olympics that reads, “All we see is gold.” Smells like team spirit!

Anthony Quintano / TODAY.com
Jake Dalton, gymnast
First-time Olympian Dalton’s phone lock screen says it all – the gymnast is here for Team USA and he’s here to win.

Anthony Quintano ./ TODAY.com
Carly Patterson, former gymnast
The Athens gold medalist is not competing in London, but she has plenty to look forward to! She told TODAY.com she’s tying the knot this fall. Her phone’s lock screen photo is a reminder of that commitment. “It’s the hanger that my friend gave me for my engagement party,” she said. “That’ll be my new last name – Caldwell.”
Sarika Dani and Ian Sager are TODAY.com’s editors in London. Sarika’s lock screen photo is a Zen pic from a recent trip north, while Ian opted for a snapshot of his wife’s self-portrait in crayon.
More on TODAY.com:
Water polo players predict a lot of ‘1-point games’
Swimmer Franklin: I'll win to 'shine some light' on Colo.
Gymnast John Horton: ‘I’m so pumped’ for the Games
How does wrestler Burroughs deal with spotlight? He says...