Bloomberg: Liberty Interactive has agreed to buy Zulily for $2.4 billion, adding an online retailer targeted at young moms to its QVC home-shopping TV network. Zulily, which operates daily flash sales of items ranging from maternity clothes to bibs and toys, is bringing a younger clientele and expertise in personalizing offers to the QVC network. Co-founder Darrell Cavens will remain as president and CEO of Zulily, which will continue to operate as a separate brand and stay based in Seattle.