Like any experienced creative type, I've got an unwritten list of rules that I alternately cleave to or break on a daily basis. One that proves surprisingly resilient is "Always understand the context before wasting time on the concept."   I was reminded of this maxim when I saw the maximum impact this creative concept had for the Swedish drug store chain Apotek Hjärtat back in 2014.   Apotek Hjärtat - Blowing in…