1. Back when scroll bars were fixed width and consistent across all applications, I would instinctively tune them out when I wasn't using them; I don't need the application to do that for me.
2. More importantly, many websites are adding some kind of progress indicator on the page itself (perhaps because the scroll bars are no longer obvious enough?). These are way more in-your-face than the scroll bars of yore.
1. Back when scroll bars were fixed width and consistent across all applications, I would instinctively tune them out when I wasn't using them; I don't need the application to do that for me.
2. More importantly, many websites are adding some kind of progress indicator on the page itself (perhaps because the scroll bars are no longer obvious enough?). These are way more in-your-face than the scroll bars of yore.