Employing a person to open accounts is expensive, so the spam industry developed a solution: a computer can open a million accounts with the same ease as it opens one.

要雇一个人开一个帐号成本昂贵，所以垃圾邮件产业想出了一个解决方案：(让)一台计算机不论开一个帐号，还是开100万个帐号都同样轻松。

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Worse yet, some videos may be tagged incorrectly -- sometimes intentionally, a practice known in the industry as "tag spam."

更糟的是，有些视频被添加了错误的标签，有时是人们故意为之；业界通常称这种做法为“垃圾标签”。

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He also pointed to Industry Canada's anti-spam action plan.

他提到了加拿大产业反垃圾法计划。

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The anti-spam industry has had success attacking choke points in the past.

FORBES: Spam's Silver Bullet? Not so Fast

Most bulk mail programs used to manage mailing lists, promotions and other forms of electronic marketing have a test tool that will work out what chance the messages have of getting through industry-standard spam filters.

BBC: Why your inbox fills with bacn instead of spam