diff --git a/2021-07-23.md b/2021-07-23.md
index 4c8f8ce31..e69ed417a 100644
--- a/2021-07-23.md
+++ b/2021-07-23.md
@@ -13,4 +13,4 @@
 	- [[push]] [[do]]
 		- [[markdown query]]
 			- [[tree query]]
-	
\ No newline at end of file
+- [[sophia xu]]
\ No newline at end of file
diff --git a/sophia xu.md b/sophia xu.md
new file mode 100644
index 000000000..e9a0b72a4
--- /dev/null
+++ b/sophia xu.md	
@@ -0,0 +1,3 @@
+- a [[person]]
+	- [[twitter]] https://twitter.com/thesophiaxu
+	- [[unigraph]]
\ No newline at end of file
diff --git a/turlingb.md b/turlingb.md
index c708b8fc0..9f12cd6d6 100644
--- a/turlingb.md
+++ b/turlingb.md
@@ -1,2 +1,2 @@
 - a [[person]]
-	- [[twitter]] ht
\ No newline at end of file
+	- [[twitter]] https://twitter.com/turtlingb
\ No newline at end of file
diff --git a/unigraph.md b/unigraph.md
new file mode 100644
index 000000000..c5ccaa0d0
--- /dev/null
+++ b/unigraph.md
@@ -0,0 +1,2 @@
+- a [[tool]]
+	- [[graph database]] [[]]
\ No newline at end of file