An interesting, but technology-focused perspective. Another, glaringly obvious, difference is that Pinterest and Fab both appeal to a neglected market with a ne

An interesting, but technology-focused perspective. Another, glaringly obvious, difference is that Pinterest and Fab both appeal to a neglected market with a neglected content, namely, women and their "interests" (obvious stereotypes here, but the point still stands). Etsy has been killing it for the same reason.