Update README.md: describe benefits first, then tasks possible

README.md

@@ -12,7 +12,9 @@ SPDX-License-Identifier: Apache-2.0
 [![Maintainability](https://api.codeclimate.com/v1/badges/a0be65f412a35440c63e/maintainability)](https://codeclimate.com/github/oceanprotocol/ocean.py/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/a0be65f412a35440c63e/test_coverage)](https://codeclimate.com/github/oceanprotocol/ocean.py/test_coverage)
 
-With ocean.py, you can:
+Ocean.py helps data scientists earn $ from their AI models, track provenance of data & compute, and get more data. (More details [here](https://docs.oceanprotocol.com/data-science).)
+
+Ocean.py makes these tasks easy:
 
 - **Publish** data services: data feeds, REST APIs, downloadable files or compute-to-data. Create an ERC721 **data NFT** for each service, and ERC20 **datatoken** for access (1.0 datatokens to access).
 - **Sell** datatokens via for a fixed price. Sell data NFTs.