Now, three sources have told CNBC that a camera-centric feature is in the works and may function in a way that’s similar to how Snapchat’s location-based snap collections are gathered and shared on its Discover tab … According to CNBC’s sources, Twitter’s function would collect location-based photos and videos and combine them with Twitter Moments, creating a broader collection of information surrounding notable events … Importantly, Twitter could allow advertisers to place sponsored content among the user-tweeted photos and videos it collects for the expanded Moments feature.