Twice Raises $4M From IA, SV Angel And CrunchFund For Its Concierge-Style Secondhand Clothing Marketplace The secondhand clothing space is heating up: Between Poshmark, 99Dresses and Threadflip, we’ve covered more than a handful of startups that want to hook users up with clothing that other people no longer want to keep. The “one man’s trash is another man’s treasure” principle is currently being