Carnival of the Mobilists #271 goes OTT with the best mobile blogs on VOIP, IM, handsets, icons, m-retail and app stores galore

This week’s eclectic mix covers over-the-top services (e.g. VOIP, IM, social media); iconic v irrelevant icons; iPhone wannabes v handset innovation; Pintrest for mobile marketers; device detection and m-commerce; and 70+ app stores.

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