If you’re willing to ditch your smartphone, you could be $10,000 richer. The New York-based company Siggi’s Dairy, known for its Icelandic-style yogurt, is offering $10,000 to people who can stay away from their smartphones for an entire month as part of the Siggi’s digital detox. To sign up for the contest, submit a 100-500-word essay, “explaining why you need a digital detox in your life and how it will impact you in a positive way.” Participants must be 18 years old or older and have until January 31 to apply. Ten lucky winners will be notified via email and will also get a lockbox for their smartphones, a flip phone so you can still make calls, enough Siggi’s yogurt for three months. Go to Hello.siggis.com/digital-detox for more information.