Oh, Gawd - not more Wayfair articles!!!

A good discussion about the options that the states have going forward, and what might limit them.
https://www.gwlr.org/south-dakota-v-wayfair-inc-seemingly-endless-debate/

More discussion about a few states plans
https://www.avalara.com/us/en/blog/2018/06/states-react-to-supremecourtrepealofphysicalpresencerule.html

30 top questions from a recent webinar
https://blog.taxjar.com/top-30-questions-south-dakota-v-wayfair/

States with economic nexus laws
https://blog.taxjar.com/economic-nexus-laws/

Good discussion the what retailers can expect from the states.
https://learn.sovos.com/blog/leading-sales-tax-expert-charles-maniace-comments-on-south-dakota-v-wayfair-supreme-court-decision

An interesting perspective on the impact of the thresholds.  I haven't seen this come up so it'll be interesting.
https://dakotafreepress.com/2018/06/23/citing-sales-tax-uncertainty-michigan-folder-seller-rejecting-orders-from-south-dakota/

Yet More SD vs Wayfair Articles

Good and deep coverage including a couple of historical issues not seen elsewhere.  Then, as a bonus, a discussion of Illinois rules.  But worth reading for both parts, even if you're not in Illinois.
http://www.hmblaw.com/salt-pepper/illinois-practitioner/wayfair-and-its-impact-on-illinois%E2%80%99-economic-nexus-legislation.aspx#.WzK5iSBG203

Another deep article
https://www.grantthornton.com/library/alerts/tax/2018/SALT/General/wayfair-ruling-overturns-quill-physical-presence-requirement.aspx

A great summary covering all of the issues, without the legal theory and case histories.
https://www.ttrus.com/pressArticle.php?id=1104

Another good article with a few items that I haven't seen elsewhere
https://www.perkinscoie.com/en/news-insights/south-dakota-v-wayfair-practical-answers-to-tax-questions-raised.html

In A New York Minute: How to Defend a Remote Access to Software Sales Tax Audit, Part II

http://goo.gl/odfVlf  PDF file

How to Defend a Remote Access to Software Sales Tax Audit, Part I

goo.gl/sRf0uA

PDF file

Reed Smith Files Amicus Brief on Behalf of the Institute for Professionals in Taxation in Sprint False Claims Act Appeal

http://link.reedsmithmailings.com/share/306/66dd092d9a1cfd5573e80f2d47f371e1

The software sales tax myth

http://t.co/XGZqD0LhEM

Online Travel Companies Found Liable for D.C. Sales Tax, Again

http://www.taxrates.com/blog/2015/07/24/online-travel-companies-found-liable-for-d-c-sales-tax-again/

http://www.nationallawjournal.com/legaltimes/home/id=1202732926158/Online-Travel-Companies-Must-Pay-Sales-Tax-DC-Appeals-Court-Rules