Thursday, December 22, 2011

#Numbers 2011



  Population
  • World Population by end of 2011 is 7 Billion.
  • Population in China is 1.3 Billion.
  • Population in India is 1.19 Billion.


  Facebook
  • 800 Million users by the end of 2011.
  • Expenses, 1 Billion US $ per year.
  • 3000 employees.
  • 10% of people have less than 10 friends, 20% have less than 25 friends, while 50% have over 100 friends.
  • Facebook's Datawarehousing Hadoop cluster gets 12 TB of compressed data per day, 800 TB of compressed data scanned per day, 25,000 map-reduce jobs per day, 65 millions files in HDFS and 30,000 simultaneous clients to the HDFS NameNode
  • Stores over 320 billion images, which translates to over 25 petabytes of data
  • Users upload one billion new photos (~60 terabytes) each week
  • In June 2011, Facebook hit one trillion page views that month, with 870 million unique visitors for the same period, giving the site a staggering 46.9% reach among all web surfers.


  Microsoft
  • 330 Million Hotmail users.
  • 90,000 employees.
  • Bought Skype for $8.5 Billion.
  • In June 2011, Microsoft hit with 250 million unique visitors, giving the site a 14.5% reach among all web surfers.
  • In June 2011, MSN hit with 440 million unique visitors, giving the site a 25.8% reach among all web surfers.


  Google
  • 260 Million GMail users.
  • 62 Million Google+ users.
  • 31,000 employees.
  • Britney Spears has the highest number of followers in Google+ with 1,096,945 followers while Larry Page is the second.
  • In June 2011, YouTube hit with 800 million unique visitors, giving the site a 46.8% reach among all web surfers.
  • In June 2011, Blogspot hit with 340 million unique visitors, giving the site a 19.6% reach among all web surfers.


  Twitter
  • 250 Million Tweets per day.
  • 100 Million users.
  • 400 employees.
  • In June 2011, Twitter hit with 160 million unique visitors, giving the site a 9.3% reach among all web surfers.


  Yahoo
  • 302 Million users.
  • 14,000 employees.
  • 42,000 nodes in the Hadoop cluster.
  • Flickr stores more than 5 Billion photos.
  • Flickr gets 100,000 queries per second.
  • In June 2011, Yahoo hit with 590 million unique visitors, giving the site a 34.4% reach among all web surfers.


  Apple
  • 61,000 employees.
  • 500,000+ apps available in Apple App Store
  • 18,000,000,000 downloads from the Apple App Store
  • iTunes Store had 225 million active users by June 2011

1 comments:

Peter Hofman said...

Do you know, that when the entire world population is standing packed together at one site, only an area the size of the Dutch province Utrecht is filled?