Add social links

Author: James Munns

content/2020-02-01-newsletter-23.md

@@ -10,15 +10,12 @@ This is the 23rd newsletter of the [Embedded WG] where we highlight new progress
 
 [Embedded WG]: https://github.com/rust-embedded/wg
 
-
-Discuss on [#rust-embedded:matrix.org]!
-<!-- Discuss on [#rust-embedded:matrix.org], [users.rust-lang.org], [on twitter], or [on reddit]! -->
-
+Discuss on [#rust-embedded:matrix.org], [users.rust-lang.org], [on twitter], or [on reddit]!
 
 [#rust-embedded:matrix.org]: https://matrix.to/#/#rust-embedded:matrix.org
-<!-- [users.rust-lang.org]: https://example.org/#TODO -->
-<!-- [on twitter]: https://example.org/#TODO -->
-<!-- [on reddit]: https://example.org/#TODO -->
+[users.rust-lang.org]: https://users.rust-lang.org/t/the-embedded-working-group-newsletter-23/37708
+[on twitter]: https://twitter.com/rustembedded/status/1223606976527114240
+[on reddit]: https://www.reddit.com/r/rust/comments/ex6ike/the_23rd_embedded_working_group_newsletter/
 
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