Hardware & software:
- OneTab Chrome Extension at https://www.one-tab.com for free from Andy Ihnatko.
- mFoodie App (iOS) at https://mfoodie.com for free from Leo Laporte.
- R2-D2 App-Enabled Droid by Sphero for $179.99 (on Amazon) from Rene Ritchie.
- BB-9E App-Enabled Droid with Droid Trainer by Sphero for $149.99 (on Amazon) from Rene Ritchie.