Amazon's plan to be a one-stop food shop may extend well beyond those rumored drive-up grocery stores.<br />Wall Street Journal sources claim Amazon hopes to open convenience stores where you'd buy meat, veggies and "other perishable items."<br />Mobile apps, and possibly in-store touchscreens, would let you order longer-lived food for same-day delivery.<br />You wouldn't have to worry if you couldn't carry everything home.<br />The internet giant has been candid with its plans to open more physical stores, and grocery stores are a logical extension for a company that increasingly treats food as a staple of its online ordering business.