With Snapchat adding TikTok-like Spotlight, Twitter adding Snapchat-like Fleets, and Stories now ubiquitous, all social media apps are starting to look the same (Sara Fischer/Axios)

Sara Fischer / Axios:
With Snapchat adding TikTok-like Spotlight, Twitter adding Snapchat-like Fleets, and Stories now ubiquitous, all social media apps are starting to look the same  —  Snapchat on Monday launched Spotlight, a video tab within its app that, like TikTok, distributes videos based more on how popular they are than on who created them.