text: **Application integration**
  
  •**AWS Step Functions**- orchestration service; useful when you have workﬂows with more than 
  one state, need to branch, or run tasks in parallel. The Step Functions service acts as the state 
  
  model for your application. 
  
  •**Amazon EventBridge**- integration with AWS & 3rd party services through events 
  
  •**Amazon Simple Queue Service**- simple queue service; buﬀering requests 
  
  •**Amazon Simple Notiﬁcation Service**- simple notiﬁcation system, publish/subscribe topics, and 
  
  sending a limited number of SMS/email messages 
  
  •**AWS IoT Core**- bi-directional communication for Internet-connected devices (such as sensors, 
  actuators, embedded devices, wireless devices, and smart appliances) to connect to the AWS 
  
  Cloud over MQTT, HTTPS, and LoRaWAN 
  
  •**Amazon Simple Email Service**- simple email system, bulk email sending service 