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In today’s world of mobile phones and Siri, humans are interacting with machines/devices multiple times daily. Watch the videos above and research HMI units from the two major companies dominating the PLC world:

• Rockwell Automation 
• Siemens 

Discuss three ways of human machine interface including two of the following

• Capabilities
• Programming
• Communication
• Power

Compare your personal HMI activities with those you discussed and how do you envision HMI changing in the future?

Make sure to properly cite all of your references.