You really want those Oreos? Then Instacart wants oblige.
The startup offers an iPhone app to let you shop for groceries. The cost? It’s $9.99 for a one-hour delivery and $3.99 for a 3-hour delivery. It’s only available in limited locations now, but it seems like a concept that’s pretty attractive (and a throwback, in some ways, to some first-gen dot-coms that didn’t make it).