I use the expresso daily, it's not a good platform, lot of limitations! But at least, is a response for the spying. Better than doing nothing!
Hope this investment change expresso in a better way!
Why the Y Combinator model don't work/exist in other countries?
If this model spread to other countries it will be awesome, imagine the number of good ideas dying, when they just need a push.
You will not regret, if you analyze her companies you will see that he transform every market he worked. Paypal is still (my opinion) the best online payment system, space x is the first private company to explore the space and already has a lot of success, tesla is only starting but i think everyone will need and want a eletric car with free charges all over the US.