Word Of The Day - Inanity

Inanity - Total lack of meaning or ideas

When the researchers applied their mathematical algorithm to the countless tweets that appear on Twitter each day, they found that experts in certain fields were much more likely to cause topics of discussion to become trends. That might come as a relief to social media enthusiasts who crave discussions of substance, and a surprise to critics who argue that social media is prone to inanity.

Source - http://mashable.com/2010/09/25/twitter-celebrities/
Dictionary - http://www.google.com/dictionary?sl=en&tl=en&q=inanity