Twitter.....my friend of 4 continent

"Twitter is a social networking and microblogging service, owned and operated by Twitter Inc., that enables its users to send and read other user messages called tweets. Tweets are text-based posts of up to 140 characters displayed on the author's profile page."
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I found him through Craigslist, who is a church goer with a trace of four continents: Europe, Asia, Africa and America.
He corrected my accent, so I realised that we Chinese can't utter the "h" correctly.
My AC is down, he quickly referred me a technician and his acquaintance, who will not ask for a trip fee.