Fashion goes in and out of style, and it turns out, so do fashion startups. Lyst, a high-end fashion marketplace that was once valued at $700 million, has been acquired for just $154 million in cash by Zozo, a Japan-based fashion and e-commerce business. Zozo owns a number of fashion brands that include Wear by Zozo, Zozotown and Zozosuit, among others. You might have heard of Zozo for another reason, though: Its founder Yusaku Maezawa once had the “most retweeted tweet,” when he promised to giv...