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![Ernesto Jiménez](https://ph-avatars.imgix.net/116022/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
Ernesto Jiménez
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Hi, we partnered wit Slack and integrated the button into https://slackline.io for the launch.
There are some things and caveats to consider when integrating it, so I wrote a quick post commenting on those: https://medium.com/@ernesto_jimenez/new-sign-in-with-slack-button-dfd570043a77
Hopefully it'll be useful :)
![Sign in with Slack](https://ph-files.imgix.net/7556f95a-e066-4a23-b2a7-975c0e637949.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
Sign in with Slack
Let users login to your site with Slack
![Ernesto Jiménez](https://ph-avatars.imgix.net/116022/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
Ernesto Jiménez
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If you like those cards, you might also like the LatLon notebooks from Analog: http://store.analog.is/products
Notebooks with beautiful maps in the covers using letterpress.
![MOO Letter Press Cards](https://ph-files.imgix.net/86270c76-5e5d-43a9-82d5-7be4fc452290.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
MOO Letter Press Cards
Some lovely looking letterpress business cards
![Ernesto Jiménez](https://ph-avatars.imgix.net/116022/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
![Ernesto Jiménez](https://ph-avatars.imgix.net/116022/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
![Slackline](https://ph-files.imgix.net/512c2af2-8424-438f-a453-a98c5d6e22ce.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
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