1. it seems that `success/failure`: ``` effect.on( success=lambda value: print("I like {} too!".format(value)), failure=lambda error: print("sorry, there was an error. {}".format(error)) ) ``` 2. reads better then `success/error`: ``` effect.on( success=lambda result: print("I like {} too!".format(result)), error=lambda e: print("sorry, there was an error. {}".format(e)) ) ``` :smile: