"Can you spot the difference between these two sample display ads? Of course you can. However, the most important difference is not discernible to the naked eye. The lower ad was customized and chosen from thousands of different creative elements, automatically and in real-time, by machine-learning algorithms developed by Teracent, a San Mateo, California startup. We think that this technology has great potential to improve display advertising on the web. That's why we're pleased to announce today that we've entered into a definitive agreement to acquire Teracent. The transaction, which is subject to various closing conditions, is expected to close this quarter." - × × ×