A toll-free phone number for your Shopify store gives you credibility and signals your customers you’re serious.
From the Schneier on Security blog
Late last year, the NSA declassified and released a redacted version of Lambros D. Callimahos’s Military Cryptanalytics, Part III. We just got most of the index. It’s hard to believe that there are any real secrets left in this 44-year-old volume.