Add more AUG and Sentry material

dosp-survey.ltx

@@ -218,13 +218,15 @@ as database developers observed several of their peers relicensing away
 from open source at roughly the same time, either to BUSL or to other
 licenses that restrict licensees from operating commercial services.
 
-Several licensors add an Additional Use Grant (AUG) under the BUSL to
-allow for ``production" uses other than those that are considered to
-compete with the developer's commercial services. For example,
-ArcticDB provides the following Additional Use Grant\footnote{This same
-text is also used by several other projects, and we have not determined
-which project originated it. There are also other variants with similar
-effect.}:
+By default, BUSL prohibits uses in ``production" before the Change Date.
+Licensors using the bare BUSL would thus expect commercial adopters to
+pay for a separate license permitting commercial use. Howver, several
+licensors add an Additional Use Grant (AUG) under the BUSL to allow for
+``production" uses other than those that are considered to compete with
+the developer's own commercial services. For example, ArcticDB provides
+the following Additional Use Grant\footnote{This same text is also used
+by several other projects, and we have not determined which project
+originated it. There are also other variants with similar effect.}:
 
 \begin{quote}
 You may make use of the Licensed Work under the terms of this License,
@@ -383,8 +385,12 @@ BSD or Apache terms, without the competition restriction.
 Several cloud-oriented software projects that switched away from open
 source licensing in the past few years also adopted license terms with
 non-competition clauses. However, these generally were not time-limited.
-% TODO: double-check whether any of them were time-limited
-
+Conversely, several projects that adopted BUSL included AUGs that allow
+commercial uses so long as these aren't charging third parties for the
+service of hosting instances of the software, or so long as they don't
+otherwise compete with the original developer's own service offerings.
+The FSL could be seen as codifying this policy in the main license
+itself, rather than adding it as an optional additional permission.
 % TODO: This relates back to the AUG topic because so many of the database
 %       companies added AUGs saying that you can do anything you want as
 %       long as it isn't selling hosting of the software and/or doesn't
@@ -393,6 +399,9 @@ non-competition clauses. However, these generally were not time-limited.
 %       same thing with FSL, but putting it in the core license rather
 %       than in a BUSL AUG.
 
+% TODO: double-check whether any of them were time-limited
+
+
 % I think it's interesting that the AGPL doesn't seem to appeal to most
 % companies that are pursuing this kind of thing. I don't know if any of
 % them have commented on their views about it.