The only thing it does is add a nasty delay.. and does not smooth anything any more than without it.

Highly Recommended for Logitech users

It's not for me. Effectively kills usability in exchange for aesthetics.

In essence, this extension just makes scrolls "slower." Rather than the page immediately moving to where the mouse wheel directs it, it moves there more slowly and, indeed, smoothly. It has a degree of reverse-acceleration, i.e. The first 80% of the scrolled section goes by quickly, while the last 20% moves slowly. This has the effect of making it difficult to immediately see where the page has been scrolled to, thus one cannot get the instant feedback necessary to determine whether more scrolling is necessary in order to view the part of the page desired.

Scrolling is designed to enhance usability. This extension sacrifices usability in exchange for making the action more visually pleasing.

(Side note: I fail to see why one needs to have the SetPoint software installed (and thus use a Logitech mouse) in order to use this extension. This extension is overall just marketing wank--simply another bulletpoint to add to the "features" section when selling the hardware.

Très bien

Was GREAT until Firefox and Microsoft setting changed without informing me. I'll attempt re-syncing all my Logitech keyboard, tools and mice. I've always enjoyed advanced technologies, until along came a spider (Brown Recluse) and bit me, another got me 9 months ago. 15 months of excruciating symptoms, the past 6 months BLISS! Since becoming critically disabled I cry, because I was ignorant and apathetic of others with disabilities. Logitech products work, and many of us suffer less. Namaste, rjl

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Works fine for about 1 week, caps on pops up on the desktop... etc. after 1 weeks or thereabouts, it disappears and has to be reinstalled from the dcownload file??????????