Sprint and T-Mobile reportedly back at the bargaining table to discuss a potential merger. Plus the company taking on WeWork with an upscale model for workspace sharing. The linguist who says emojis are making us better communicators. Softbank makes a big splash in the online lending space. Honeyfund CEO Sara Margulis tells us how she's teaming up with Amazon to making wedding gift-giving easier. And the co-founder of Redkix talks about taking on Slack. Those stories and more on today's Closing Bell.