Properly handling variance for arrays to avoid invalid subtyping.

3 files changed, 6 insertions, 0 deletions

diff --git a/documentation/bookmark/business/management.md b/documentation/bookmark/business/management.md
index b7205f1d0..aa7b63070 100644
--- a/documentation/bookmark/business/management.md
+++ b/documentation/bookmark/business/management.md
@@ -1,4 +1,5 @@
 # Reference
 
+0. [First, Let’s Fire All the Managers](https://hbr.org/2011/12/first-lets-fire-all-the-managers)
 0. [Value Add Disease](https://boz.com/articles/vad)
 
diff --git a/documentation/bookmark/business/model.md b/documentation/bookmark/business/model.md
new file mode 100644
index 000000000..7857523b8
--- /dev/null
+++ b/documentation/bookmark/business/model.md
@@ -0,0 +1,4 @@
+# Reference
+
+0. [Reciprocity as a Business Model: What motivates people to pay for services they receive?](https://briefthoughts.substack.com/p/reciprocity-as-a-business-model?s=r)
+
diff --git a/documentation/bookmark/business/negotiation.md b/documentation/bookmark/business/negotiation.md
index 636bcbbfe..32b092b3d 100644
--- a/documentation/bookmark/business/negotiation.md
+++ b/documentation/bookmark/business/negotiation.md
@@ -1,4 +1,5 @@
 # Reference
 
+0. [A Better Way to Divide the Pie](https://insights.som.yale.edu/insights/better-way-to-divide-the-pie)
 0. [Rethinking Negotiation: A smarter way to split the pie](https://hbr.org/2021/11/rethinking-negotiation)