After watching Captain America: The Winter Soldier, I am reminded how out of touch he is with our modern technology.
So here is some of the best that the internet has to offer on the subject.
All TextsVia textsfromsuperheroes.com
The Texts from Superheroes has quite a few DC, Marvel and even Doctor Who Texts. If you think about how hard it is for older folks to adapt to technology it would only make sense for a man frozen from the 40's to have the same difficulty.