阅读下面的短文，在空白处填入一个适当的词。
"WeChat" is {#blank#}1{#/blank#} new mobile communication tool. It supports sending voices, videos, photos and text {#blank#}2{#/blank#}. You can also do group chats, or you can find new friends nearby to talk to.
Wherever they are, people can also find a "stranger" to talk to {#blank#}3{#/blank#} shaking the phone. The system will find out others who are shaking their phones at the same time. Another {#blank#}4{#/blank#} function (功能) is that WeChat can make us {#blank#}5{#/blank#} for people who live nearby, and show the distance. I like this function best {#blank#}6{#/blank#} it can help you to find more people who you may know.
Recently, I read news that some stupid girls met guys by shaking their cell phones and some {#blank#}7{#/blank#} incidents (事件) happened after they met. So I suggest WeChat users should learn to protect {#blank#}8{#/blank#} and not trust strangers so much.
Technology has already made life become {#blank#}9{#/blank#} and more comfortable, and at the same time it {#blank#}10{#/blank#} us some disadvantages. Therefore, being careful is necessary.
