These beautiful, hand-drawn infographics capture the patterns of life

Every week for a year, designers Giorgia Lupi and Stefanie Posavec sent each other postcards charting something in their lives, from laughter to travel to phone addiction.

The result, collected in "Dear Data" from Princeton Architectural Press, is beautiful and thought-provoking.

"What emerges is a case for the beauty of small data and its deliberate interpretation, analog visualization, and slow transmission," Maria Popova writes in the foreword, "a celebration of the infinitesimal, incomplete, imperfect, yet marvelously human details through which we wrest meaning out of the incomprehensible vastness of all possible experience that is life."

Check out a sampling below.