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+---
+title: tilde quilt
+author: lab6
+category: tilde.club
+---
+
+## 2-dimensional anonymous collaborative microblogging
+
+[Visit the tilde quilt](https://tilde.club/~lab6/quilt.html) to read messages from other tilde users.
+
+Add your own messages (up to 150 printable ASCII characters) by running a command like the following:
+
+`echo "Hi!" > /home/lab6/quilt`
+
+Each message has an id in the top left corner, which you can use to influence where your message is placed.
+You can prefix your message with <id><compassdirection>, where direction is one of N, E, W, or S, like this:
+
+`echo "2EThis message goes to the east of the message with id 2" > /home/lab6/quilt`
+`echo "3NThis message goes to the north of message 3" > /home/lab6/quilt`
+`echo "4SThis message goes to the south of message 4" > /home/lab6/quilt`
+`echo "5WAnd this message goes to the west of message 5" > /home/lab6/quilt`
+
+If you don't use a prefix like this, your message will be placed randomly.
+
+Rate-limiting is in effect. If your write blocks, just wait. If your write fails, or your message fails to appear on the quilt,
+wait a minute or so and try again. The rate-limiting is intended to keep the quilt slow and human-scale. Please don't pipe in
+massive streams of data - it will clog the pipe for other users.
+
+Have fun and be kind!
+
+## What's going on?
+
+We are building a patchwork quilt with the aid of POSIX named pipes. Any user able to execute a command on tilde.club
+can pipe their message to `/home/lab6/quilt`. Messages are anonymous - there is no way to detect which user sent data into the pipe.
+Users from outside the tilde.club server can [read the quilt](https://tilde.club/~lab6/quilt.html) but cannot add to it.
+
+Backups will be taken regularly and the quilt will never be reset. The quilt is strictly
+append-only. Old messages are never edited or overwritten (spam and nastiness may be spray-painted over but I trust you folk to be better than this).
+The quilt grows without bound in all four directions.
+
+Be creative. Use your 150 characters wisely. If you didn't use them wisely, try again. Hold a conversation. Vent a thought. 
+Play correspondence chess. Golf some perl. Branch off into the void.
+
+Early adopters who snag the low messages IDs will be venerated by the generations to come.
+
+Contact ~lab6 if it's broken. Contact ~lab6 if it's not broken - he loves getting postcards.
+
+## Roadmap
+
+* Unicode
+* 2D blockchain
+* z-axis