Do the Google+ profile picture URLs returned by the Google API change?
问题 So, I'm using the Google API to fetch people's profile picture using their user_id. The Google API returns a JSON like following: { image: { url: "https://lh5.googleusercontent.com/OGjgCn9fCPk/AAAAAAAAAAI/AAAAAAAAASU/AitRTc5cUyg/photo.jpg?sz=50", isDefault: false } } My question is, does this URL change? I mean will it change if the user changes their profile picture or if some CDN restructuring occurs. Do I need to fetch it every time? Or can I just save and use it forever? If not is their