StackSocial offers the Rocketbook Wave Smart Notebook in Standard or Executive for $19.99. Coupon code "ROCKETBOOK" cuts that to $17. With free shipping, that's the lowest price we could find by $8, although we saw it for $2 less in February. Deal ends May 22. It measures 8.5" x 9.5" (standard) or 6" x 8.9" (executive), and features:
  • Pilot FriXion pen
  • instant cloud upload via iOS or Android app
  • note erasing via microwave, up to five times