Instantly Connect People Everywhere to What's Most Meaningful

2. instantly connect people everywhere to what’s most meaningful to them

3. http://twitpic.com/135xa - There’s a plane in the Hudson. I’m on a ferry going to pick up the people. Crazy. 15 Jan 09 Janis Krums @jkrums

10. Tweets have a max length of • 140 bytes • 140 characters • There is no maximum characters are not the same as bytes!

11. 48 characters+1 for the bird what’s a tweet? it’s a short message that's sent through 140 characters max

12. 1 tweet

13. sizeof(1 tweet)

14. 140 characters = ≈ sizeof(1 tweet) 200 bytes

15. 140 characters 200 bytes ≈ = sizeof(1 tweet)

19. following followed by

29. sounds easy, right? trick question

30. How many tweets are there? • 50 a second • 500 a minute • 5 million an hour • 500 million a day

31. about 500,000,000 tweets a day

32. 5500 tweets 5.0E6 tweets ≈ second day steady state

33. my heart beats 90,000 times a day

36. Turn out the lights..... pic.twitter.com/sfGDAN2M 3 Feb 13 David Gregory @davidgregory

42. What’s the max vertex degree? • 0 • 10 • 1 million • There is no max

43. @justinbieber 36 million followers @ladygaga 35 million followers @BarackObama 28 million followers @rlotun 0.000002 million followers

45. about BILLIONS of deliveries a day

46. We have a lot of data