message: A last updated property (so we can not hammer).
diff: @@ -10,13 +10,17 @@ import { VendorDrop } from './vendorDrops';
  export interface VendorDropsState {
  loaded: boolean;
  vendorDrops: VendorDrop[];
  + lastUpdated: Date;
  }
  +const unloadedDate = new Date(1900, 1, 1);
  +
  export type VendorDropAction = ActionType<typeof actions>;
  const initialState: VendorDropsState = {
  loaded: false,
  - vendorDrops: []
  + vendorDrops: [],
  + lastUpdated: unloadedDate
  };
  export const vendorDrops: Reducer<VendorDropsState, VendorDropAction> = (
  @@ -28,13 +32,15 @@ export const vendorDrops: Reducer<VendorDropsState, VendorDropAction> = (
  return {
  ...state,
  loaded: true,
  - vendorDrops: action.payload
  + vendorDrops: action.payload,
  + lastUpdated: new Date()
  };
  case getType(actions.clearVendorDrops): {
  return {
  ...state,
  loaded: false,
  - vendorDrops: []
  + vendorDrops: [],
  + lastUpdated: unloadedDate
  };
  }
  default:
  