Zappos keeps chuggin'.

I previously posted about Zappos being ahead of the curve.

Internet Retailer has just reported that Zappos remains a pure play ahead or pushing the curve by offering subdomain hosted sites for footwear manufacturers, now is setting customer expectations of free OVERNIGHT shipping and is adding new categories such as eyewear and outdoor equipment.

Others should watch this company closely (especially in apparel) for lessons.

Full story here.

Don't miss the small mention of their custom built inventory system too.