Your icons should be usability tested. Use the 5-second rule: if it takes you more than 5 seconds to think of an appropriate icon for something, it is unlikely that an icon can effectively communicate that meaning.
How would I explain to a friend, in a conversation or in an email, this thing/topic/product/story I am trying to communicate?
…ter. Stop releasing monster products with all the companies’ expectations hanging on their success. If your product fails, kill it, take the learnings and move on.