@Wraptile Yes there's a "see more" button that pops up that people can click to expand to its full length. It can be pretty awkward in the native Mastodon UI though.
You can often find this behavior in Mastodon already happening when Pleroma peers post long messages.
This Mastodon instance is for people interested in technology. Discussions aren't limited to technology, because tech folks shouldn't be limited to technology either!