While most of us were hurrying to turn off Twitter's new email digests, the company announced they would begin suggesting new people and brands to follow based on your Twitter activity. The trouble is, by "activity," they mean your friends, followers, and even where you go on the web once you leave Twitter.


What Is Twitter Doing?

You may already know that just about everyone is tracking you on the web, but at least you have ways to protect yourself. Twitter's new suggestion system would be fine if it stopped with the people you follow on the site and the other users who follow you, but blogger Dustin Curtis noticed that it doesn't stop there—Twitter also uses cookies dropped on your system to keep an eye on where you go on the web. As long as there's a "tweet this" or "follow me" button on the site, Twitter harvests information on where you are. Curtis explains:

Basically, every time you visit a site that has a follow button, a "tweet this" button, or a hovercard, Twitter is recording your behavior. It is transparently watching your movements and storing them somewhere for later use. Right now, that data will make better suggestions for accounts you might want to follow. But what other things can it be used for? The privacy implications of such behavior by a company so large are sweeping and absolute. If tracking your behavior transparently is acceptable in the pursuit of a better user experience, why isn't it also acceptable in the pursuit of monetization? Is it okay for Twitter to sell your web browsing history to advertisers? The company is playing with a very slippery slope.


Essentially, remember what Facebook was doing a few months ago? Twitter is doing something similar. For the time being, Twitter is only using the information for its own purposes. It's not a stretch to think that if Twitter uses the data to suggest new brands and accounts to you, they'll use the same data to sell more promoted tweets to advertisers, or worse. Whether or not the data will be used for marketing or money-making purposes later is up in the air.

What Can I Do About It?

If the notion of Twitter keeping an eye on your browsing behavior after you've left their site feels a little intrusive, it's easily blocked with the right privacy tools:

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All of these tools do similar things: they give you control over the data that the sites you visit collect and share about you.

In Twitter's defense, the company has a privacy-positive reputation. They've implemented Do Not Track, and promised to obey any browsers or clients that support it. Twitter representatives responded directly to Curtis, saying they'll will never sell your data to anyone, and data they obtain from your activities on other web sites will be deleted after no more than 10 days. Curtis rebuts that this response, and Twitter's commitment to Do Not Track is a PR distraction from the issue at hand: that their tracking—like everyone else's on the web—is opt-out, not opt-in, and forces users to understand and be outraged enough over what's going on to do something about it.


Whether you think Twitter's move is purely designed to improve their product or a creeping harbinger of future privacy intrusions, at least there are tools you can download—or that you may already have—that put control back into your hands. What do you think? Just another company looking to get their hands on your data, or much ado about nothing? Share your thoughts in the comments below.