Cheap custom tee shirts might seem like an outdated way to market a brand, but they’re more effective now than ever before, and it’s all thanks to social media. Before smartphones became an ubiquitous part of American culture, branded, cheap custom tees were already effective. About 95% of Americans wear tees, 89% of whom wear them at least once a week. That’s a staggering 283,821,000 people who wear tee shirts at least once a week. Those who wear branded, custom tees become walking billboards. These custom tees are capable of generating about 200 impressions per dollar spent making them. With…