canoe is a long chain of replies on twitter, with many people @'d into it. Most commonly referred to as something people want out of. The twitter UI changes to auto fill and hide those being replied to has been called the "invisible canoe"..
- https://twitter.com/SarahDemp/status/818846474041753600, https://twitter.com/markgongloff/status/819650116843958274, https://twitter.com/felixsalmon/status/823565209193353216
- https://twitter.com/termie/status/847751639972823040 - 50 person canoe since new Twitter Replying to UI changes