protected function killTwitter()
	{
		foreach ($this->meta as $type => $val)
		{
			foreach ($val as $value => $content)
			{
				if (starts_with($value, 'twitter:') || starts_with($value, 'twitter:'))
				{
					$this->meta['name'] = array_except($this->meta['name'], array($value));
				}
			}
		}
	}