A new website that tries to determine your age is a hit -- even when it's a big miss.

"How Old Do I Look?," developed by technology giant Microsoft, uses a face-detection algorithm to guess a person's age from a photo. While most people have reported that the program is fairly accurate, there have been complaints -- not surprisingly from people whose age has been estimated as far older than they are.

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Some have said that wearing glasses may push your age a few years higher. Some men with beards say they often get results estimating their age at 10-20 years older than they are. Microsoft says, "We are still improving this feature," and expects results to get more accurate.

Upload a photo and see if the website can guess your age at nwsdy.li/howold.