For more on the subject of "optimistic interactions", check out Luke Wroblewski's post from July of last year on getting the Polar app to feel super-responsive:

For more on the subject of "optimistic interactions", check out Luke Wroblewski's post from July of last year on getting the Polar app to feel super-responsive: http://www.lukew.com/ff/entry.asp?1759 http://www.lukew.com/ff/entry.asp?1759