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Chicago-based Hologram, which develops a custom SIM card to give IoT devices data access from multiple carriers, raises a $65M Series B led by Tiger Global (Jim Dallke/Chicago Business Journal)

Jim Dallke / Chicago Business Journal:

Chicago-based Hologram, which develops a custom SIM card to give IoT devices data access from multiple carriers, raises a $65M Series B led by Tiger Global  —  A Chicago internet of things startup that helps businesses bring their devices online has raised funding as it prepares to undergo a major hiring spree.