从一篇文章中抽取出关键词。
文章：“Intelligent personal assistants, such as Siri or Alexa, have become increasingly popular in recent years. They are designed to make our lives easier and more convenient, by providing information or helping us to complete tasks. However, there are concerns about the potential risks associated with these technologies, such as privacy and security issues. It is important that we are aware of these risks, and take steps to protect ourselves.”
关键词：智能个人助手、Siri、Alexa、便利性、信息、任务、风险、隐私、安全、保护。