If your current PC is too slow or running out of storage space, it's probably more cost-effective to replace it than to upgrade it. But have you ever stopped to consider what happens to your old computer once you abandon it for a newer model? The workplace mantra of "reduce, reuse, recycle" often ends with office paper and aluminum soda cans, falling short when it comes to electronic waste. As a result, myriad computers considered obsolete by today's high-tech standards sit unused in back rooms, or worse, end up in landfills