I've worked at a company that was very particular about the disposal of hardware. To prevent competitors from gleaning information, all hard drives were unscrew

I've worked at a company that was very particular about the disposal of hardware. To prevent competitors from gleaning information, all hard drives were unscrewed and shredded before the rest of the hardware was sent to recycling. That process was quite time consuming, so reducing the upgrade cycle to one year would have required lots of extra work.