The task of knowing your limits is probably one of the most difficult things to master in all mankind. Willpower alone is rarely enough to stop you eating that whole packet of chocolate covered lard biscuits or getting you to step away from that dastardly ‘one more drink’… Whilst a solution to cookie gluttony may be some years away (sorry), measuring & tracking your alcohol intake in the coolest yet nerdiest way ever is here thanks to the BACtrack iPhone Breathalyser.