Core77

When cell phone cameras first came out in Japan, a popular commercial touted their domestic utility: a husband shopping for clothes sent snapshots to his wife, who advised him on which color shirt to buy.

In reality, cell phones cameras were used to prevent adultery: It became a trend for salarymen who were "working late" to send their wife a snapshot proving they were actually toiling at the office. An industry sprung up around this trend, whereby technology enabled fake office backgrounds to be inserted behind current time-stamped photographs.

While it's not yet gone this far in the U.S., American technology to catch cheating spouses does exist. "With the advent of technology, cheating has become easier to facilitate," says Manny Coats of Pandora Software, which makes CheaterChecker, a software program designed to nail your spouse if they're nailing someone else. Read all about it on Gizmag.