IronSource, a business platform for the app economy, completed the acquisition of Luna Labs, a maker of a creative management platform, from Luna Innovations, a fiber optic-based technology, for $21m. “The sale of Luna Labs marks a final step in the simplification of our portfolio; something we announced several years ago when we set our strategy to focus our capital and resources on the fiber optics markets. While not core to the fiber optic-based technologies of Luna, we are nonetheless incredibly proud of the critical work the Luna Labs team has accomplished over the years and look forward to their continued success under the leadership of the new company,” Scott Graeff, Luna President and Chief Executive Officer.