diff --git a/about/computers.mdwn b/about/computers.mdwn
index 438ad813..8a566313 100644
--- a/about/computers.mdwn
+++ b/about/computers.mdwn
@@ -89,7 +89,15 @@ Here are the specs:
     NIC:           2* Intel 80003ES2LAN (Gigabit)
     CDROM:         Available
 
- * Productive use: 2008 - now
+ * Productive use: 2008 - 2015
+
+### Data Center Light
+
+Running servers for myself only was too easy. So in 2015 I started the
+[Data Center Light project](https://datacenterlight.ch) to offer
+a sustainable alternative to regular hostings for myself. And for everyone
+else who is interested in the future of our planet.
+
 
 ## Notebooks
 
@@ -135,7 +143,8 @@ was produced by ECS under the name of "A530".
 
 ### ei.intern.schottelius.org
 
-Was an IBook G3. Background light broke / screen was unusable in 2005.
+Was an IBook G3. Background light broke / screen was unusable in
+2005. It was able to suspend to RAM running Linux for weeks.
 
     Processor:    Power PC
     RAM: 320 MB
@@ -144,7 +153,7 @@ Was an IBook G3. Background light broke / screen was unusable in 2005.
 
 ### hydrogenium.intern.schottelius.org
 
-When the accu of **scice** ended its livetime about one year after
+When the battery of **scice** ended its life time about one year after
 I bought it, I decided to buy a used Compaq Evo N400C.
 
     Processor:    Pentium III (Coppermine) 850 Mhz
@@ -229,7 +238,8 @@ A Lenovo Thinkpad X201. The name is an abreviation for
 
 ### tablett.intern.schottelius.org
 
-A Lenovo T60. Used for putting glasses on it.
+A Lenovo T60. Used for putting glasses on it. Changed in 2020 to be
+used as a NAT64 translator.
 
  * Productive use: 2011 - now
 
@@ -248,7 +258,11 @@ A Lenovo T61p.
 ### brief.intern.schottelius.org
 
 An Apple Mac Book Air 4,2 given to me by my
-employer. The name is the German name for "letter".
+employer. The name is the German name for "letter". Similar to "ei", I
+was running Linux on this computer. However compared to the original
+iBook, this computer was way harder to get properly running under
+Linux due to a custom EFI implementation and lack of stable drivers
+for the wifi card.
 
     Processor:       Dual Core Intel(R) Core(TM) i7-2677M CPU @ 1.80GHz (4 threads)
     RAM:             4 GiB
@@ -278,7 +292,8 @@ as an ultrabook it is pretty slim, it was named **matte** (German for "mat").
 
 ### bento.intern.schottelius.org
 
-Lenovo X1 Carbon, 1st gen. Very small SSD.
+Lenovo X1 Carbon, 1st gen. Very small SSD. Used together with a HUGE
+SD card to store pictures on, which disconnected on suspend to ram...
 
     Processor: Intel Core i7­3667U (Dual Core)
     RAM: 8 GiB
@@ -292,7 +307,7 @@ Lenovo X1 Carbon, 1st gen. Very small SSD.
 ### artist.intern.schottelius.org
 
 A Lenovo Yoga 2 Pro. The mainboard died within a few months and there
-was no replacement. Full refund.
+was no replacement or repair available. Lenovo gave a full refund.
 
     Display: 13", 3200x1800, touch screen
 
@@ -334,7 +349,7 @@ achieved the 13h+ run time. No charger required during the day.
     02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01)
     03:00.0 Network controller: Intel Corporation Wireless 7260 (rev 83)
 
- * Productive use: 2014 - 2015
+ * Productive use: 2014 - now
 
 ### wurzel.intern.schottelius.org
 
@@ -351,11 +366,11 @@ This was a Lenovo X1 Carbon, 3rd gen. Died first time in November 2015.
 ### manager.intern.schottelius.org
 
 A Dell Latitude 5285, basically a tablet with quite-okay keyboard.
-Always almost fell from my lap one using in the train. Replaced for
+Always almost fell from my lap once using in the train. Replaced for
 sanity with an X1 Carbon afterwards. First device with 16GB RAM.
 
    RAM: 16 GB
-   SSD: ?
+   SSD: 512GB
 
 * Productive use: 2017 - 2018