O'Reilly logo
  • Derek Harmon thinks this is interesting:

you may be required to use a mix or a hybrid

From

Cover of Microservices for the Enterprise: Designing, Developing, and Deploying

Note

You may also be required to carry a mixture of foreign currencies with you in order to buy lunch, but it will be simpler for you to carry only the local currency (or perhaps the U.S. dollar).