Good read made me laugh but you forgot to add
He passes your great slides with all your ideas on to his yelp founder friend, they get 5000 Indian developers working on it, they add every feature your app contains plus 50 more. They launch by tomorrow mass email 2 million people (over 100000 users signed up by lunch)
They claim the idea as their own (you have no patents). You inform them about your $950 lawyer and want another sit down or you will sue them, Get to the meeting meet their team of 20 $5000 a hour lawyers and you sh**e your pants :P
Next week back at your old job as the janitor.