1) Interesting use of unicode characters for the UI on Flickr:

unicode

That triangle up top is actually two triangle characters side-by-side. Sucks that we still have to resort to such hacks for such a common UI shape — but this is a smart solution.

2) Also interesting is this inline tour of the new photo pages. Rollover a number and bubbles pop up to show you what’s fresh for that section.

tour

tour

tour

Related: Unicode Character ‘BLACK UP-POINTING SMALL TRIANGLE’ (U+25B4)