The Brief Zillow, a Seattle-based company known for its online real estate marketplace, recently announced layoffs that will affect just over 500 jobs. In a blog post, Zillow CEO Jeremy Wacksman cited cost structure and efficiency as the primary reasons for the layoffs. In a blog post on Tuesday, Zillow CEO Jeremy Wacksman announced that the company is undergoing "organizational changes" that will result in layoffs affecting just over 500 employees. Wacksman's full blog post can be read here. What's next:Following the layoffs, Zillow plans to release its Q2 earnings on Wednesday once the market closes.