Despicable Me 2 Research

Offical Despicable Me 2 Facebook Page

Offical Despicable Me 2 Tumblr Page

Twitter One - Offical Despicable Me 2 Twitter Page

Twitter Two - Offical Despicable Me 2 Minions Page

Offical Despicable Me 2 YouTube Page

Banana Song by the Minions that had over 22m and 30m hit on different YouTube accounts. 

Offical Despicable Me 2 Trailer and Some Posters 

Offical Despicable Me 2 Game App, which is widely available with different phones and tablets for free. This include iPhones, iPad, Android phones, Android tablets and even on Window Phones. It is also available on Amazon. 

This is a site full of minion games for children. However I do not know whether this is made up by random people or an official game site from the company. 

Mcdonald Happy Meal Despicable Me 2 Toys

Official Merchandise - Plushies, Tshirts, Talking Toys and many more...

The Official Website includes... 

Stories about the Film...

HD images that can be downloaded... 

Videos from their YouTube channel...

Information about 'Spotting the Stuart' - a massive blown up Minion around the world... 

There was one at Comic Con in London.

Links to other apps - cross convergence

Premiere 

Awards for Despicable Me 2

Some Interesting Billboards...