Tell the Cloud You Want to Drink 9 Glasses Daily
, a free habit-tracking app for iPhone, to start accumulating "small wins
." Lift asks you to choose goals that you'd like to transform into habits (such as "Read," "Run," "Sleep 8 Hours," "Zero Body Fat" and "Make Spouse Feel Loved/Desired"), and then it blasts reminders to your phone. As you track your progress, friends (and yes, strangers) send props, share tips and hold you accountable. Best are the rewards: clicking a giant checkmark and gaining a sense of momentum on your frequency chart, which (for better and for worse) is visible to the whole community. Other popular habit-forming apps are
(which lets you to put real money on the line) and
(which prompts you to report every day).