{Documentation} Tutorial 7 - update download link

Summary:
* Update link for tutorial 7 MPS download link.
* Update README linked Colab tutorial to the most up-to-date version.

Reviewed By: kongchen1992

Differential Revision: D89093735

fbshipit-source-id: cb60369b28b479c2b89cf3324d1805eca1a93c53

Author: echo-xiao9

README.md

@@ -73,30 +73,30 @@ On-device algorithms powered by a custom Meta co-processor:
 
 Comprehensive tutorials covering Aria Gen2 data processing:
 
-1. [![Tutorial 1](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_1_vrs_data_provider_basics.ipynb)
+1. [![Tutorial 1](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_1_vrs_data_provider_basics.ipynb)
    **VrsDataProvider Basics** - how to perform basic operations in loading and
    access data in an Aria VRS file.
 
-2. [![Tutorial 2](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_2_device_calibration.ipynb)
+2. [![Tutorial 2](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_2_device_calibration.ipynb)
    **Device Calibration** - how to work with device calibration in Aria VRS.
 
-3. [![Tutorial 3](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_3_sequential_access_multi_sensor_data.ipynb)
+3. [![Tutorial 3](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_3_sequential_access_multi_sensor_data.ipynb)
    **Sequential Multi-Sensor Access** - how to use the unified queued API to
    efficiently “stream” multi-sensor data.
 
-4. [![Tutorial 4](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_4_on_device_eyetracking_handtracking.ipynb)
+4. [![Tutorial 4](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_4_on_device_eyetracking_handtracking.ipynb)
    **Eye Tracking & Hand Tracking** - how to work with on-device-generated
    EyeGaze and Hand-tracking signals from Aria Gen2 glasses.
 
-5. [![Tutorial 5](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_5_on_device_vio.ipynb)
+5. [![Tutorial 5](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_5_on_device_vio.ipynb)
    **On-Device VIO** - how to work with on-device-generated VIO data from Aria
    Gen2 glasses.
 
-6. [![Tutorial 6](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_6_timestamp_alignment_in_aria_gen2.ipynb)
+6. [![Tutorial 6](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_6_timestamp_alignment_in_aria_gen2.ipynb)
    **Time Synchronization** - understanding timestamp mapping in Aria data, and
    how to use timestamp mapping in multi-device recording.
 
-7. [![Tutorial 7](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/2.1.0/examples/Gen2/python_notebooks/Tutorial_7_mps_data_provider_basics.ipynb)
+7. [![Tutorial 7](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/facebookresearch/projectaria_tools/blob/main/examples/Gen2/python_notebooks/Tutorial_7_mps_data_provider_basics.ipynb)
    **MPS (Machine Perception Services)** - how to load and visualize output data
    from
    [Aria MP services](https://facebookresearch.github.io/projectaria_tools/gen2/ark/mps/start).

examples/Gen2/python_notebooks/Tutorial_7_mps_data_provider_basics.ipynb

@@ -1,7 +1,7 @@
 {
  "cells": [
   {
-   "cell_type": "code",
+   "cell_type": "markdown",
    "execution_count": null,
    "metadata": {
     "vscode": {
@@ -33,7 +33,7 @@
     "**Prerequisites**\n",
     "- Complete Tutorial 1 (VrsDataProvider Basics) to understand basic data provider concepts\n",
     "- Complete Tutorial 2 (Device Calibration) to understand how to properly use calibration in Aria data.\n",
-    "- Download Aria Gen2 sample data: [VRS](https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1.vrs) and [MPS output zip file](https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1_mps_output.zip).\n",
+    "- Download Aria Gen2 sample data: [VRS](https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1.vrs) and [MPS output zip file](https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1_mps_output_dec_2025.zip).\n",
     "\n",
     "### ⚠️ Important Notes\n",
     "- **Google Colab Users:**\n",
@@ -76,10 +76,10 @@
     "\n",
     "    # Sample VRS file and MPS output URLs\n",
     "    vrs_url = \"https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1.vrs\"\n",
-    "    mps_url = \"https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1_mps_output.zip\"\n",
+    "    mps_url = \"https://www.projectaria.com/async/sample/download/?bucket=core&filename=aria_gen2_sample_data_1_mps_output_dec_2025.zip\"\n",
     "\n",
     "    vrs_filename = \"aria_gen2_sample_data_1.vrs\"\n",
-    "    mps_zip_filename = \"aria_gen2_sample_data_1_mps_output.zip\"\n",
+    "    mps_zip_filename = \"aria_gen2_sample_data_1_mps_output_dec_2025.zip\"\n",
     "\n",
     "    vrs_file_path = os.path.join(vrs_sample_path, vrs_filename)\n",
     "    mps_zip_path = os.path.join(vrs_sample_path, mps_zip_filename)\n",