diff --git a/books/solana/SUMMARY.md b/books/solana/SUMMARY.md
index 347a4ea..0540d8c 100644
--- a/books/solana/SUMMARY.md
+++ b/books/solana/SUMMARY.md
@@ -30,12 +30,13 @@
 - [Partners Utilization](partners_utilization/partners.md)
   - [Digital Freezone](partners_utilization/freezone.md)
   - [Tanzania Internet](partners_utilization/tanzania.md)
-  - [Estio](partners_utilization/estio.md)
+  - [Elestio](partners_utilization/elestio.md)
   - [Earth Wallet](partners_utilization/earth_wallet.md)
   - [Holochain](partners_utilization/holochain.md)
   - [Sikana](partners_utilization/sikana.md)
   - [vindo](partners_utilization/vindo.md)
   - [vverse](partners_utilization/vverse.md)
+  - [Tier S Datacenter](partners_utilization/tier_s_datacenter.md)
 - [Technology](tech/technology.md)
   - [Architecture](tech/architecture.md)
   - [Energy Efficient](tech/energy_efficient.md)
diff --git a/collections/partners_utilization/.done b/collections/partners_utilization/.done
index 68dbbf6..1755578 100644
--- a/collections/partners_utilization/.done
+++ b/collections/partners_utilization/.done
@@ -8,3 +8,7 @@ tanzania1.png
 tanzania2.png
 vverse_museum.png
 vverse_museum2.png
+elestio.png
+tiers1.png
+tiers_container.png
+tiers_pod.png
diff --git a/collections/partners_utilization/elestio.md b/collections/partners_utilization/elestio.md
new file mode 100644
index 0000000..ac3857d
--- /dev/null
+++ b/collections/partners_utilization/elestio.md
@@ -0,0 +1,7 @@
+![alt text](elestio.png)
+
+# Elestio
+
+- + 300 apps which will be able to be deployed seamless on top of TFGrid.
+
+
diff --git a/collections/partners_utilization/elestio.png b/collections/partners_utilization/elestio.png
new file mode 100644
index 0000000..6294aca
Binary files /dev/null and b/collections/partners_utilization/elestio.png differ
diff --git a/collections/partners_utilization/estio.md b/collections/partners_utilization/estio.md
deleted file mode 100644
index e69de29..0000000
diff --git a/collections/partners_utilization/partners.md b/collections/partners_utilization/partners.md
index 9b6a059..09f475e 100644
--- a/collections/partners_utilization/partners.md
+++ b/collections/partners_utilization/partners.md
@@ -8,7 +8,7 @@ The following partners all have the potential to utilize a lot of our capacity a
 - [Earth Wallet]() alternative to BTC Lightening (cheap transactions, scale)
 - [Digital Freezone](freezone.md) a digital freezone made for hundreds of millions of people.
 - [Tanzania Sovereign Internet](tanzania.md) a sovereign Internet for a country
-- [Estio](estio.md) +300 opensource apps on top of TFGrid (managed, supported)
+- [Estio](elestio.md) +300 opensource apps on top of TFGrid (managed, supported)
 - [Mkondo](mkondo.md) most realistic rendering of VR/AR env on top of TFGrid
 - [Vindo](vindo.md) collaborative metaverse, best quality at low bandwidth
 - [Vverse](vverse.md) virtual reality museum
diff --git a/collections/partners_utilization/tier_s_datacenter.md b/collections/partners_utilization/tier_s_datacenter.md
index e69de29..6ec9788 100644
--- a/collections/partners_utilization/tier_s_datacenter.md
+++ b/collections/partners_utilization/tier_s_datacenter.md
@@ -0,0 +1,27 @@
+![alt text](tiers1.png)
+
+# Tier S Datacenter Concept
+
+Most governments or large companies still build following Tier-3 Datacenter concept, but this concept is no longer viable because of the way how AI changed everything.
+
+> More information can be found in [https://info.ourworld.tf/datacenter](https://info.ourworld.tf/datacenter)
+
+ThreeFold works with partners to use the TFGrid software to deploy massive amounts of capacity.
+
+We expect a lot of our capacity to be fully decentralized to smaller owners (farmers) but we also expect countries or large enterprise to deploy large capacity pod's.
+
+The market ThreeFold operates in is +1 trillion USD market.
+
+![alt text](tiers_pod.png)
+
+These pods are being aggregated in racks per 6
+
+![alt text](tiers_6pod.png)
+
+These racks are used as is or put in a container.
+
+![alt text](tiers_container.png)
+
+
+
+These containers can be used in a datacenter building to make it all fancy.
diff --git a/collections/partners_utilization/tiers1.png b/collections/partners_utilization/tiers1.png
new file mode 100644
index 0000000..9e2e9a4
Binary files /dev/null and b/collections/partners_utilization/tiers1.png differ
diff --git a/collections/partners_utilization/tiers_6pod.png b/collections/partners_utilization/tiers_6pod.png
new file mode 100644
index 0000000..1b67785
Binary files /dev/null and b/collections/partners_utilization/tiers_6pod.png differ
diff --git a/collections/partners_utilization/tiers_container.png b/collections/partners_utilization/tiers_container.png
new file mode 100644
index 0000000..6b213a5
Binary files /dev/null and b/collections/partners_utilization/tiers_container.png differ
diff --git a/collections/partners_utilization/tiers_pod.png b/collections/partners_utilization/tiers_pod.png
new file mode 100644
index 0000000..f0bcf44
Binary files /dev/null and b/collections/partners_utilization/tiers_pod.png differ