Below you can compare the fragments of thee variants of this photo:
* The standard photo, zoomed 200%
* The same standard photo, zoomed bicubically in Photoshop
* The photo, merged by PhotoAcute from several snapshots

The difference is evident - on PhotoAcute result there are more details visible and the edges are robust.

Full photos available by links below

Full images:
Standard photo
PhotoAcute photo, merged from several snapshots