Since its founding, Twitter has made a religion of listening to users. After all, they came up with some of the company’s best ideas — including the hashtag, reply and retweet. After the flow of good ideas from users stopped, Twitter was hard-pressed to come up with its own.
Bloomberg: Why Twitter Can’t Pull the Trigger on New Products
The first part of that quote is a fact – users came up with hashtag, reply, and retweet, and Twitter (the company) adopted them.