On the eve of Halloween 31 October 2008 satoshi wrote
"I have been working on a electronic cash system that's fully peer- to -peer ,with no trusted third party."
Can we say that his work has been done or is still a work in progress .
" What has been the development of Bitcoin and improvement since that statement was made till now?
And will Bitcoin (satoshi dream or goal ) be fully accepted in the world as a means of payment?.
Bitcoin is open source and there are many contributors who actively work towards the development of bitcoin.
If you want to read the previous developments bitcoin had implemented then you can read the BIPs(Bitcoin Improvement Protocol)
https://github.com/bitcoin/bipsThere's so much more to improvise to it and I am sure that several such developments will take place in future.