This coming year, I will turn thirty-five years old. Such an accumulation of time brings certain privileges: the ability to run for President; the removal from key marketing demographics, aged 18-34, typically known as Young People; the necessity to buy shampoo that strengthens follicles at the root, “saving hundreds of strands per month.” When I entered that most trend-setting of audiences, way back in 1999, I did not foresee “playing and writing about videogames” as a key element of my identity in this far-flung future. And yet here I am, contributing to a year-end series about an industry whose evolution…