ithink its world greatest appp i am very thankfull to its creator. i am very impressed with its given course which gives evry things knowledge freee..... dowonload it for grt carrer.
They've just fixed the app vs web credit discrepancy for challenges and videos. I'm pretty chuffed 😉.
Sal Khan is one of the greatest to ever walk the Earth. We need more people like him.
That's exactly what the world needs.
Cant you conduct a online bachelor program?
It's very nice
Bug fixes and improvements.