diff --git a/UseCases.md b/UseCases.md
index 11f3709..faca7d3 100644
--- a/UseCases.md
+++ b/UseCases.md
@@ -6,16 +6,18 @@ Use Cases
 |---|---|---|---|---|---|
 |*name*|*number of nodes*|*administrative domains*|*node capacity*|*node availability*|*churn*|
 |*friendnet*|2-10|many domains, but all trusted|mixed|mixed|low|
-|*proprietary grid*|2-30|one domain|uniform|high|low|
+|*proprietary grid -- 1x upload*|2-30|one domain|uniform|high|low|
+|*proprietary grid -- p2p upload*|2-50000|one domain for servers, many for clients|uniform|high|low|
 |*hivecache*|10-1000|one domain, but not as well controlled|somewhat uniform|high|low|
 |*Allmydata plus customers*|10-10,000|many|mixed|mixed|medium|
 |*global grid*|any|many|mixed|mixed|high|
 
- * *friendnet*: a group of friends who want to share backup and file-sharing
- * *proprietary grid*: a sysadmin, or Allmydata Inc. wants to backup data onto a set of servers
- * *hivecache*: a sysadmin wants to backup data onto hundreds of employee workstations
- * *Allmydata plus customers*: Allmydata, Inc. and its customers operating a storage grid including the customer's computers
- * *global grid*: a large, diverse ecosystem of people and organizations who want a storage grid with extremely high reliability and availability
+ * *friendnet*: A group of friends want to share backup and files.
+ * *proprietary grid -- 1x upload*: A sysadmin, or Allmydata Inc. wants to backup data onto a set of servers.  The data is uploaded to the servers over a streaming protocol such as HTTP (using the Web API).
+ * *proprietary grid -- p2p upload*: A sysadmin, or Allmydata Inc. wants to backup data onto a set of servers.  The data is uploaded to the servers over the Tahoe distributed upload protocol.
+ * *hivecache*: A sysadmin wants to backup data onto hundreds of employee workstations.
+ * *Allmydata plus customers*: Allmydata, Inc. and its customers share a storage grid including the customer's computers.
+ * *global grid*: A large, diverse ecosystem of people and organizations who want a storage grid with extremely high reliability and availability.