When you send someone a “Glympse” of your location, you select a time frame (up to four hours) during which she can track your location on a map.

I use Glympse all the time and even my friends who think it’s a little eerie still have to admit that it’s extremely useful.

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Launched less than four years ago, it was one of the web giant’s first forays into location-sharing with friends.

Even though Google Latitude was completely opt-in with strict privacy settings, I remember the general discomfort the product elicited.

Privacy International called the location-sharing app “a gift to stalkers, prying employers, jealous partners, and obsessive friends.” The seemed skeptical that location sharing would even catch on. Before Facebook came around, it seemed weird to use your real name on the internet.

Less than a decade later, there’s no limit to the number of ways you can share every personal detail of your life online.

Time restrictions can range from 15 minutes to 3 days —if a person chooses to make sharing indefinite, they'll still receive email reminders every few weeks.

Google is limiting link-based sharing to fixed times, given the potential for abuse if a URL ends up in the wrong hands.

Okay, I’ll admit, I added my mom to make sure I never miss anything she posts. Anneke is a founding executive and leads the business side of Reserve, one of Fast Company's Most Innovative companies of 2016.

These new tools are just a few of the many that are helping to turn the paradigm of personal information sharing on its head. She joined Reserve from the Google Creative Lab where she led teams building the future of tech.

In fact, “stalking” your friends online has become so commonplace that there’s a new wave of tools popping up to help you do it better.