Evan Williams, Twitter CEO, revealed very interesting facts and stats during the first annual Chirp on April 14 in San Francisco. The conference is a two-day event for the Twitter developers. Here you are this interesting infographic, created by Gerardo Obieta.

This infographic, created by Flowtown, illustrates how mobile is changing Social Media. It presents interesting stats such as access to social networking sites via mobile, Social Media usage by age and by gender.

The new IKEA Facebook campaign promotes its new IKEA store in Mälmo. After creating a Facebook profile for the store manager, Gordon Gustavsson, IKEA showrooms images were uploaded to Mr. Gustavssons Facebook album .

Finally, David Fincher has found his core cast for the Facebook movie,”The Social Network”.

The Facebook Movie, titled “The Social Network”, is produced by Kevin Spacey and it is scheduled to start production later this year.