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What's a Similarity Network?

The Lunch Similarity Network points you to the best information through the right people. Your Similarity Network is a group of Lunchers who most closely share your likes, dislikes, and interests in the Lunch community. It's the basic idea behind Lunch – that it's more useful to get a few trusted reviews from people who share your interests than thousands of reviews from random, unaccountable sources.

Through people in your Similarity Network, you'll find new things you'll like or updates on existing interests. The more you rate, review, and contribute information to Lunch, the better we can connect you to people and information you'll like.

To understand more about how Lunch's Similarity Network also helps you uncover points of common ground with those whom you may seem very different, check out the About Us page and this op ed by Lunch founder, J.R. Johnson.


What's the science behind calculating my Similarity Network?

We create your Similarity Network from a proprietary algorithm (just a fancy term for number crunching!) that factors in your ratings, contributions and interactions on Lunch (such as your commenting and ratings on the contributions of others). Based on your contributions, Lunch connects you to Lunchers who most closely share your ratings on topics and reviews. They are the people who create the content and information that you'll find the most helpful.

The more you share on Lunch, the more accurately we can connect you to people and information you'll like. To increase the accuracy of your Similarity Network, simply rate and review more topics.




What are Similarity Details?

Similarity Details shows how your interests match up with someone else's. The Details page shows everything you and another person have both rated and compares your opinions on those topics. It's an instant way to learn more about your friends, discover new interests, and view how similar or different you really are!

To compare interests, hover your cursor over the profile picture of the Luncher you want to compare with and click on the double arrow icon that pops up.  The Similarity Details page shows the percentage of interests you share (Similarity Score) and lists topics that you both like, dislike, and don't see eye to eye on. Furthermore, you can see the accuracy ("Your similarity score is 48% accurate") of your Similarity Score. It's based on the number of topics you have both rated. If you don't think the Similarity Details are accurate enough, click on the "Rate More" button in the top middle of the Similarity Details page to rate more topics.

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