Some of life's best things are free, just like a borrowed book from the library or a digital map that offers the shortest route to any part of the world. However, we tend to pay little attention to them, often taking them for granted. To remind us of them, people in this online thread were listing free-of-charge items they couldn’t believe were available for free. Scroll down to find the most popular ones that are guaranteed to save you some bucks in the future!While you're noting them down, don't forget to check out a conversation with the person who started this discussion in the first place.