About ShareThink Ltd.

frontpageShareThink Ltd. is a software technology start-up located in Almonte, Ontario, (just outside Ottawa).

Our mission is to create effective solutions to real problems. Our main focus is on addressing the problem of spam in the online marketplace.

We make a point of listening to consumers to find out what's important to them, and the kind of solutions they're looking for.


A New Way to Stop Spam

Our first product is a Human Interactive Proof called VouchSafe.

VouchSafe logoVouchSafe is an easy, effective replacement for traditional CAPTCHAs. Like CAPTCHAs, VouchSafe is a simple test designed to separate human users from bots, to help prevent spam and some kinds of online fraud.

VouchSafe is the first image-based Human Interactive Proof that uses an Adaptive AI to generate challenges based on the way humans think. As more people make use of VouchSafe, the AI that drives it learns from their responses and adapts to the choices they make.

VouchSafe was originally released in a closed beta under the working name HIVE, (named for the Human Intelligence Verification Engine - the AI that drives the system). Now that the product is being released to the public, we have rebranded it as VouchSafe, to make it more accessible to consumers.


Building Your Brand With Spam Prevention

We're currently working on solutions that leverage the associative properties of our VouchSafe anti-spam technology to help create strong associations with brand. This includes a suite of tools for campaign management and gathering market intelligence.


A New Approach to Crowdsource Computing

We're also engaged in a research project investigating the viability of using simple online games as an effective and ethical replacement for conventional crowdsource models.  In addition to helping to train an adaptive AI, crowdsource games can be used to populate and refine metadata collections and cloud tags, while simultaneously gathering market intelligence from player feedback.

For more information about VouchSafe, you can visit our product website at http://www.vouchsafe.com.

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