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<!--Created on: 3/18/2016 12:30:24 PM-->
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      <link:linkbaseRef xlink:type="simple" xlink:href="isig-20151231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
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  <xsd:element name="ExercisePriceRangeOneMember" id="isig_ExercisePriceRangeOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeTwoMember" id="isig_ExercisePriceRangeTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncentiveStockOptionPlan2003Member" id="isig_IncentiveStockOptionPlan2003Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarketingExpensesMember" id="isig_MarketingExpensesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfExportSalesToNetSales" id="isig_PercentageOfExportSalesToNetSales" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" id="isig_PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SellingArrangementAbstract" id="isig_SellingArrangementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="SellingExpensesMember" id="isig_SellingExpensesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="isig_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantInPeriodGross" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantInPeriodGross" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAvailableForGrantForfeituresAndExpirationsInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAvailableForGrantForfeituresAndExpirationsInPeriod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="ShareBasedCompensationArrangementPlanSharesAvailableForGrantRollforward" id="isig_ShareBasedCompensationArrangementPlanSharesAvailableForGrantRollforward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice" id="isig_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ValassisSalesAndMarketingServicesIncMember" id="isig_ValassisSalesAndMarketingServicesIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="isig_WebDevelopmentMember" name="WebDevelopmentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="WebSiteMember" id="isig_WebSiteMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="isig_PaymentsToAcquireSalesContractRightsAndOther" name="PaymentsToAcquireSalesContractRightsAndOther" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="RetailAccessAndDistributionAgreementDisclosureAbstract" id="isig_RetailAccessAndDistributionAgreementDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RetailAccessAndDistributionAgreementDisclosureTextBlock" id="isig_RetailAccessAndDistributionAgreementDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RetailAccessAndDistributionAgreementTable" id="isig_RetailAccessAndDistributionAgreementTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RetailAccessAndDistributionAgreementLineItems" id="isig_RetailAccessAndDistributionAgreementLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarketingAndServiceAgreementAmortizationPeriod" id="isig_MarketingAndServiceAgreementAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="isig_TotalConsiderationPaidForMarketingAndServiceAgreement" name="TotalConsiderationPaidForMarketingAndServiceAgreement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_LeaseAndRentalExpensePartialAbandonmentExpense" name="LeaseAndRentalExpensePartialAbandonmentExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_StockOptionPlan2013Member" name="StockOptionPlan2013Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_CarryingValueOfMarketingAndServiceAgreementIncludedInOtherAssets" name="CarryingValueOfMarketingAndServiceAgreementIncludedInOtherAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_MarketingAndServiceAgreementAmortizationExpense" name="MarketingAndServiceAgreementAmortizationExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_EffectOfPreviouslyExpensedStockOptionsAndBonusAccrual" name="EffectOfPreviouslyExpensedStockOptionsAndBonusAccrual" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_ExtendedLeaseTerm" name="ExtendedLeaseTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_NumberOfSharesAbstract" name="NumberOfSharesAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_CashInvestedInInsuredCashSweepAccount" name="CashInvestedInInsuredCashSweepAccount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_BoardOfDirectorsMember" name="BoardOfDirectorsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_AccountingStandardsUpdate201517Member" name="AccountingStandardsUpdate201517Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_DeferredTaxLiabilitiesPrepaidCompensation" name="DeferredTaxLiabilitiesPrepaidCompensation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_ExcessTaxBenefitDeficiencyFromShareBasedCompensationOperatingActivities" name="ExcessTaxBenefitDeficiencyFromShareBasedCompensationOperatingActivities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_ExcessTaxDeficiencyOrBenefitFromSharebasedCompensationFinancingActivities" name="ExcessTaxDeficiencyOrBenefitFromSharebasedCompensationFinancingActivities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_ProceedsFromTenantAllowance" name="ProceedsFromTenantAllowance" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_OptionsOutstandingAbstract" name="OptionsOutstandingAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="isig_OptionsExercisableAbstract" name="OptionsExercisableAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
