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A flood of prank iMessage texts shows the app can be crashed easily - Ars Technica
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNFHVUriTvVTX9wtHQ_keB4ZkIdwyA&url=http://arstechnica.com/apple/2013/03/a-flood-of-prank-imessage-texts-shows-the-app-can-be-crashed-easily/