Update _index.md

add limitations

content/_index.md

@@ -2,8 +2,9 @@
 Neurodesk Play
 - Recommended for quick access and trialling
 - No login or sign-up required
-- Files and session is deleted after exiting
+- Files and sessions are deleted after exiting
 - Does **NOT** preserve files from previous sessions
+- only a limited number of instances are available and the CPU and RAM are limited as well. If you require more sessions or resources, please get in touch: [email protected]
 
 To use Neurodesk Play, choose the link below closest to your location:
 
@@ -13,27 +14,3 @@ To use Neurodesk Play, choose the link below closest to your location:
 - [US East](https://play-ashburn.neurodesk.org/v2/gh/neurodesk/neurodesktop/main)
 
 >  See [Neurodesk.org](https://www.neurodesk.org/docs/neurodesktop/getting-started/play) for information on the Neurodesk project
-
-<!-- | Location        | Neurodesktop on play                                                                                            |
-|-----------------|-----------------------------------------------------------------------------------------------------------------|
-| Australia East  | [start neurodesktop play](https://play-sydney.neurodesk.org/v2/gh/neurodesk/jupyter-neurodesktop-image/main)    |
-| US West         | [start neurodesktop play](https://play-phoenix.neurodesk.org/v2/gh/neurodesk/jupyter-neurodesktop-image/main)   |
-| Germany Central | [start neurodesktop play](https://play-frankfurt.neurodesk.org/v2/gh/neurodesk/jupyter-neurodesktop-image/main) |
-| US East         | [start neurodesktop play](https://play-ashburn.neurodesk.org/v2/gh/neurodesk/jupyter-neurodesktop-image/main)   | -->
-
-<!-- 
-The Neurodesk-play instances above do not require authentication, but because of this do not store any data across sessions.
-
-
-If you would like to keep your home directory across sessions, you can use the following Brainhack Neurodesk-Lab instances and authenticate via Github:
-
-## 2) Neurodesk Lab: Persistent session - 50GB home directory - requires github authentication:
-
-| Location        | Brainhack Jupyter Lab with persistent storage               |
-|-----------------|-------------------------------------------------------------|
-| Asia/Pacific    | [start neurodesk lab](https://bhsydney.neurodesk.org/)      |
-| North America   | [start neurodesk lab](https://bhnam.neurodesk.org/)         | 
-| Europe          | [start neurodesk lab](https://bheurope.neurodesk.org/)      | 
-
-For instructions on using Neurodesk Play/Lab check the following link
-https://www.neurodesk.org/docs/neurodesktop/getting-started/play/ -->