Gentle suggestion of change in your previous step proposed in concise microcopy inside modal window.
juzi Entertainment update page by skfan
Ask permission screens from virtual personal assistant app. I love the way Galaburda puts scattered small accents.
Pop-Up or Overlay box messages have been exploited in design for very long time. There is even an ongoing debate whether pop-up messages are good for the site
Modal views Saturday morning :D
Welcome Modal by Max Bailey