Sorta lost me with these two bits.

Via.Me* is hands down the best for power users that need to post images to both Twitter and Facebook. Your photos also show up Pinterest-like on the app’s web page for leisurely desktop viewing. Below is Via.Me in a Twitter card.

* Disclosure: I work on the API at Via.Me.

I mean, why even?

pinterest?

Yes, I think it would be great if Twitter would let us know which major apps use Twitter cards and which don't.