Links that have nothing to do with SD vs. Wayfair

Get Ready To Save As State Sales Tax Holidays Begin
https://www.forbes.com/sites/kellyphillipserb/2018/06/19/get-ready-to-save-as-state-sales-tax-holidays-begin/#3e329298404b

A good overview on drop-shipping
Sales Tax on Drop-Shipping: Where New Sellers Go Wrong
https://www.salestaxsupport.com/blogs/industry/drop-shipping/sales-tax-on-drop-ship-where-new-sellers-go-wrong/

Are Sugar-Sweetened Beverage Taxes Regressive? Evidence from Household Retail Purchases
https://taxfoundation.org/soda-taxes-regressive/ 

Kentucky nonprofits scramble to figure out state's new sales tax laws
https://www.courier-journal.com/story/money/2018/06/21/nonprofits-scramble-sale-tax-requirement/711736002/ 

State Tax Changes Taking Effect July 1, 2018
https://taxfoundation.org/state-tax-changes-july-1-2018/ 

Indiana SaaS Exemption Designed To Address Market Considerations
https://www.jdsupra.com/legalnews/indiana-saas-exemption-designed-to-80788/

Arizona ~ Sales and Use Tax: Taxability of Income From Transactions Passed Through Computer Software Discussed

http://news.cchgroup.com/2017/03/21/arizona-sales-use-tax-taxability-income-transactions-passed-computer-software-discussed/

Toll-Free Phone Numbers Taxable in Washington

https://www.ttrus.com/article.php?id=889

Medical Record Coding Services Are Taxable in New York if Provided to Third-Party Requesters

http://www.stateandlocaltax.com/new-york/medical-record-coding-services-are-taxable-in-new-york-if-provided-to-third-party-requesters/

Texas ~ Sales and Use Tax: Providing Internet-Based Supply Chain Services Was Taxable Data Processing

http://news.cchgroup.com/2017/02/08/texas-sales-use-tax-providing-internet-based-supply-chain-services-taxable-data-processing/

Tennessee ~ Sales and Use Tax: Charges for Access to a Cloud-Based Storage Database Are Not Subject to Tax

http://news.cchgroup.com/2017/01/24/tennessee-sales-use-tax-charges-access-cloud-based-storage-database-not-subject-tax/

Medical Transcription Services Taxable in Ohio

http://www.ttrus.com/Medical-Transcription-Services-Taxable-in-Ohio-i868.html

Taxability of Information Technology Products and Services in Washington

http://www.ttrus.com/Taxability-of-Information-Technology-Products-and-Services-in-Washington-i860.html

Illinois ~ Sales and Use Tax: Taxability of Access to a Computer Software System Discussed

http://news.cchgroup.com/2016/12/16/illinois-sales-use-tax-taxability-access-computer-software-system-discussed/

Tennessee Issues Letter Ruling 16-09 Taxing a Web Interface as Ancillary Service

http://ryan.com/About-Us/Media-Center/Tax-Developments?year=2016&month=all&id=ccf32c52-2174-4a0d-b5da-66828b81eeb1

Indiana: Various Cloud Computing and Remote Storage Services are Not Taxable

http://newsletters.usdbriefs.com/2016/Tax/STM/161209_8.html

New Jersey Sports Fans’ Fantasy Leagues Are Sales Tax-Free

https://tax.thomsonreuters.com/blog/onesource/sales-and-use-tax/new-jersey-sports-fans-fantasy-leagues-sales-tax-free/

Ohio: New Law Exempts Digital Advertising Services from Taxation

http://newsletters.usdbriefs.com/2016/Tax/STM/160722_7.html

http://www.taxrates.com/blog/2016/07/27/digital-advertising-services-are-exempt-in-ohio/

New York ~ Sales and Use Tax: Taxability of Web-Based Services Discussed

http://news.cchgroup.com/2016/06/24/new-york-sales-and-use-tax-taxability-of-web-based-services-discussed/

SOFTWARE AND EQUIPMENT DO NOT QUALIFY FOR MISSOURI MANUFACTURING EXEMPTION

http://www.salestaxinstitute.com/resources/news/software-and-equipment-do-not-qualify-missouri-manufacturing-exemption

Texas Court Rules That Bill Payment Service Was Not Taxable

http://www.ttrus.com/Texas-Court-Rules-That-Bill-Payment-Service-Was-Not-Taxable-i757.html

Texas banks and financial institutions offering online bill payment services should read this

http://www.txsaltlaw.com/archives/practice-procedure/texas-banks-and-financial-institutions-offering-online-bill-payment-services-should-read-this

TEXAS ~ SALES AND USE TAX: BILL PAY SERVICES PROVIDED TO BANKS NOT TAXABLE DATA PROCESSING

http://news.cchgroup.com/2016/04/21/texas-sales-and-use-tax-bill-pay-services-provided-to-banks-not-taxable-data-processing/

CLOUD-BASED FAX, MESSAGING AND EMAIL SERVICES TAXABLE IN WASHINGTON

http://www.salestaxinstitute.com/resources/news/cloud-based-fax-messaging-and-email-services-taxable-washington

Should Web Designers and Developers Charge Sales Tax?

https://trustfile.avalara.com/blog/should-web-designers-and-developers-charge-sales-tax/

Alas, yeah.  In a few situations.  Who'd a thunk it?