What is your opinion about social networks?

Social networks have their pros and cons. What could make them better? Safer?
Acronyms on twitter.
1. RT = Retweet

2. DM = Direct Message

3. @ = Reply to [username] / at (as in location)

4. PRT = Partial Retweet / Please Retweet

5. FTW = For The Win

6. FTL = For The Loss

7. IRL = In Real Life

8. FTF or F2F = Face to Face

9. IMHO = In My Humble Opinion

10. b/c = because

11. w/o = without

12. JV = Joint Venture

13. OH = Overheard

14. BR = Best Regards

15. LMK = Let Me Know

16. LOL = Laugh(ing) Out Loud

17. LMAO = Laugh(ing) My Ass Off

18. BTW = By They Way

19. Plz or Pls = Please

20. FYI = For Your Information

21. FB = Facebook

22. J/K = Just Kidding

23. LMK = Let Me Know

24. PPL or Peeps = People

25. TTYL = Talk To You Later

26. TTYS = Talk To You Soon

27. OMG = Oh My God / Oh My Gosh

28. Ur = Your

29. U = You

30. NSFW = Not Safe For Work

31. YMMV = Your Mileage May Vary

32. RR = Re-run

33. RE = Reply

34. TY or TU = Thank You

35. YW = You’re Welcome