Some thought-provoking statistics:

One in every nine people on Earth is on Facebook

People spend 700 billion minutes per month on Facebook

Each Facebook user spends on average 15 hours and 33 minutes a month on the site

People on Facebook install 20 million “Apps” every day

YouTube has 490 million unique users who visit every month

Users on YouTube spend a total of 2.9 billion hours per month (326,294 years)

Wikipedia hosts 17 million articles

People upload 3,000 images to Flickr every minute

Flickr hosts over 5 billion images

190 million average  Tweets per day occur on Twitter

Twitter is handling 1.6 billion queries per day

Google+ has more than 25 million users

Google+ was the fastest social network to reach 10 million users at 16 days (Twitter took 780 days and Facebook 852 days)

Am I the only one who finds this depressing?