We spent a lot of time thinking about macro product management issues (in zynga like ways, but with less malice, and more desire to make lasting value) such as whether single horizontal site vs vertical category sites, minute pricing detail of different types of formats, cross border trade policies and their effect on the marketplaces.

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The Internet Activity Index (IAI) at the Online Publishers Association site has historically monitored category shifts in traffic month to month.

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Among the "Social Networking and Forums" category, however, Twitter came in at 23rd for the week ending 17 January, garnering just 0.24% of the site visits in the category.

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The Shapeways site has an entire category dedicated to fashion which is largely made up of accessories, but once designers figure out how to stitch all the pieces together we should be seeing more and more garments.

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He is relocating work around an individual disease category to a single site and giving each autonomy.

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