Facebook has been around for so long that many people have forgotten what social media looked like before it existed.

The platform started as a relatively simple way for people to connect online.

Since then, it has grown into a huge ecosystem containing profiles, groups, pages, messaging, videos, marketplace features, privacy tools, and much more.

Some Facebook features are obvious.

Others are easy to miss.

Here are 50 Facebook facts and useful things about Facebook worth knowing.

1. Facebook Started in 2004

Facebook launched in February 2004.

It originally focused heavily on university communities.

2. The Original Name Included "The"

The service was initially called TheFacebook.

The name was later shortened to Facebook.

3. Facebook Wasn't Originally Open to Everyone

The early version of Facebook was aimed at university students.

It gradually expanded to additional schools and eventually to a much wider audience.

4. Profiles Are at the Center of Facebook

A personal Facebook profile can contain photographs, posts, interests, friends, and other information.

The amount of information visible to other people depends heavily on privacy settings.

5. Facebook's Design Has Changed Many Times

If you compare today's Facebook with the original website, they look almost nothing alike.

Menus, feeds, buttons, and profile layouts have all changed over the years.

6. Your Feed Isn't Simply Chronological

Facebook uses ranking systems to determine which content appears in your feed.

That means two people can open Facebook at the same time and see different posts.

7. Facebook Has Groups

Groups are used for communities built around almost anything.

You can find groups for:

1. Hobbies.

2. Gaming.

3. Local communities.

4. Education.

5. Sports.

6. Technology.

7. Careers.

8. Entertainment.

8. Facebook Pages Are Different From Profiles

A personal profile represents an individual.

Pages are generally used by organizations, businesses, creators, public figures, and communities.

9. Facebook Has Privacy Controls

You can control the visibility of various types of information and content.

It's worth reviewing these settings occasionally.

10. Posts Can Have Different Audiences

Depending on your settings, a post may be shared publicly, with friends, with selected people, or using other audience options.

11. Facebook Has an Activity Log

The activity log can help you review actions associated with your account.

It can be useful when trying to remember what you've posted, reacted to, or interacted with.

12. You Can Review Tagged Content

Facebook provides controls for managing tags and tagged posts.

If you don't want unexpected content appearing on your profile, review these settings.

13. Two Factor Authentication Adds Another Security Layer

Two factor authentication requires an additional verification step when signing in under certain circumstances.

It can make an account harder to compromise if somebody obtains your password.

14. Password Reuse Is a Bad Idea

Using your Facebook password on several websites is risky.

If another website suffers a data breach, attackers may try the same password on other services.

15. Password Managers Can Help

A password manager makes it easier to use a different password for every account.

You don't have to memorize every password yourself.

16. Facebook Has Multiple Reaction Options

The familiar Like button isn't the only reaction.

Facebook has added several reactions over time.

17. Comments Can Be Controlled

Depending on the type of post and your settings, you can have different controls over who can interact with your content.

18. Stories Are Designed Around Short Lived Content

Facebook Stories are built for temporary posts that don't necessarily remain permanently visible in the same way as ordinary posts.

19. Facebook Supports Video

Video has become a major part of the platform.

Users can watch, upload, share, and interact with video content.

20. Marketplace Lets People Buy and Sell Locally

Facebook Marketplace provides a way for users to browse listings from other people and sellers.

Be careful when dealing with strangers.

21. Groups Can Have Different Privacy Settings

Not every Facebook group works the same way.

Some are more open while others restrict membership and visibility.

22. Messenger Is Used for Private Conversations

Facebook Messenger provides direct communication between users.

Don't share passwords, banking information, or other sensitive credentials through chat.

23. Facebook Has Notification Controls

If Facebook sends too many notifications, you can adjust which types you receive.

24. You Can Download Account Information

Facebook provides tools that allow users to access certain information associated with their account.

This can be useful if you want to keep a copy of your data.

25. Blocking and Unfriending Are Different

Unfriending removes the friendship connection.

Blocking creates stronger restrictions on communication and visibility.

26. You Can Manage Blocked Accounts

Facebook provides settings where you can review accounts you've blocked.

27. You Can Manage Tagging

Tagging controls can help you decide how tagged content interacts with your profile.

28. Facebook Includes Accessibility Features

Facebook supports accessibility options intended to make the platform easier to use for people with different needs.

29. Facebook Is Available in Many Languages

The platform supports users around the world and provides many language options.

30. Facebook Uses Automated Ranking Systems

Algorithms help determine which content appears in different areas of Facebook.

31. A New Post Isn't Guaranteed to Appear at the Top

The system considers many signals when ranking content.

That's why you may see an older post before a newer one.

32. Search Results Can Differ Between Users

Facebook search results aren't necessarily identical for everyone.

Various factors can affect what appears.

33. Public Information Can Reveal a Lot

A profile containing your workplace, school, hometown, travel plans, and daily activities can reveal more than you may realize.

Think before making personal information public.

34. Privacy Settings Are Worth Reviewing

Facebook changes its features over time.

Take a few minutes occasionally to check your privacy settings.

35. Public Posts Can Be Shared

If you post something publicly, other people may be able to share it.

Don't assume that deleting something later means nobody saw it.

36. Screenshots Can Outlive Posts

Someone can take a screenshot before you delete a post.

That's why it's better to think before posting something sensitive.

37. Fake Accounts Exist

Be careful with unexpected friend requests.

A profile photograph and a familiar looking name don't prove that an account is genuine.

38. Scammers Often Create Urgency

Messages saying "act now" or "your account will be deleted today" should make you suspicious.

Take a moment to verify the message.

39. Never Give Your Password to Someone in Messenger

No legitimate friend, advertiser, or random support account needs your Facebook password in a chat.

40. Be Careful With Links

A link sent by a friend can still be dangerous if their account has been compromised.

Don't automatically trust every link you receive.

41. Fake Login Pages Exist

Some attackers create websites designed to look like legitimate login pages.

Check the website address before entering your password.

42. Connected Apps Can Access Account Information

If you've connected applications to Facebook in the past, review which ones still have access.

43. Old Apps Should Be Reviewed

You may have authorized an application years ago and forgotten about it.

If you don't use it anymore, consider removing its access.

44. Account Recovery Matters

Keep recovery information current.

If you lose access to your account, recovery options can become extremely important.

45. Security Settings Can Change

Facebook moves settings around as its interface develops.

Don't rely on a tutorial from ten years ago to locate every current option.

46. Not Everything You See Is an Advertisement

Facebook contains many different types of content, including posts from friends, groups, pages, creators, and advertisers.

47. Facebook Search Can Find More Than People

Depending on the current interface, searches can return pages, groups, posts, places, and other content.

48. Facebook Isn't a Private Diary

Even with strong privacy settings, anything posted online should be treated carefully.

49. Your Account Is Worth Protecting

A compromised social media account can affect more than Facebook.

Attackers may use compromised accounts to scam friends or attempt to reach connected services.

50. Think Before You Post

This is still one of the best Facebook tips.

Before posting something personal, ask yourself:

Would I be comfortable if this were shared outside my intended audience?

If the answer is no, don't post it publicly.

Final Word

Facebook has changed enormously since it first appeared.

What started as a simple social network has become a platform for communities, businesses, messaging, video, marketplace listings, entertainment, and much more.

The more useful features you understand, the easier Facebook becomes to use.

And don't forget the security side.

Review your privacy settings, use a unique password, enable two factor authentication, and be careful with unexpected messages and links.