Making of "Muppets" article

[Melonpool]

I hadn't seen this one before today, but it goes into some pretty good detail as to how they used digital effects to augment what the puppeteers could do in the new movie, rather than replacing them with CGI characters:

http://www.pcworld.com/article/244984/qanda_how_digital_effects_gave_the_muppets_new_freedom.html