There are two things you can do while driving that are damn near unforgivable: text, or drive drunk.
Of course, knowing when to say when isn’t always clear, so that’s why we have breathalysers. The people behind the AURA Breathalyser ($200) think that more people will use breathalysers if they’re small, convenient, and, well, cool. It seems like a lot of people agree, since their indigogo campaign has been pretty successful. If things go according to plan, they’ll deliver by Christmas. Get in on it soon, though—a cool breathalyser would be a handy thing to have over the holidays.