TechCrunch: “Twitter confirmed it’s planning to launch a bookmarking feature to save tweets for later reading. The addition will help users keep a separate list of items they want to refer back to, instead of using the heart (aka “favorite”) button, which can indicate more of a “like” – similar to the “thumbs up” button on Facebook. The feature’s impending launch was first unveiled on Twitter itself, naturally, when head of product Keith Coleman announced that a new way to save tweets was in the works, as a result of a company HackWeek project dubbed #SaveForLater…”