Facebook's Smart Glasses Can Take Calls and Photos, Lack AR

Facebook unveiled its long-awaited smart glasses in partnership with Ray-Ban, entering a nascent wearables market with a focus on capturing photos rather than augmented reality. The social network on Thursday showed off the glasses, called Ray-Ban Stories—a direct rival to Snapchat’s Spectacles. The $299 Facebook glasses, which use EssilorLuxottica SA-owned Ray-Ban’s classic Wayfarer frame style,…