Your TV's RS-232 port is a powerful automation tool - how to unlock it (and what it can do) ...

You may have noticed your TV has a port marked RS-232 on the back that doesn't look like any other connector you have. Here's ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Leslie Kramer is a writer for Institutional Investor, correspondent for CNBC, journalist for Investopedia, and managing editor for Markets Group. Robert Kelly is managing director of XTS Energy LLC, ...