Yes, Facebook is now famous today and you should use it because-
- It has over 700 Million People uses it.
- People pass a huge amount of time here.
- Even if you can involve a very small percentage of the users in looking for your products, you'll gain a lot.
- Facebook has various mediums of marketing (pages, groups, apps, ads, profiles and a few more).
- It's completely 'Free' to start.