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If Sarah Kauss turned back the pages of her journal to August 2010, she’d likely find an entry about a scorching day in the Sonoran Desert. With the sun beating down on her, all she wanted was a cold drink—but the water she carried was lukewarm from the heat. The experience gave her an idea that would change her life.

Two months later, a stylish, reusable bottle with the ability to keep liquid cold for up to 24 hours, otherwise known as the S’well bottle, was born.

Kauss still uses her journal every day, which serves as a reminder of the progress that she’s made over the years. With just a flip of a page, she can reflect on the highlights and learn from the hangups of her past, something that provides “a sense of positive momentum” as she moves forward.

How keeping a journal can help with productivity