1 First talks, workshops, watching TV shows and listening to conversations on the street. Then discussing characters and plot development. Then working on your script on your own.
2 to help each other out with difficult writing questions but also to send each other funny links.
3 Because it's set in the East End of London.
4 both take place in the same location; some characters appear in both; both focus on personal drama.
5 majority of characters only appear on E20; E20 focuses more on problems students experience themselves.
6 the storylines run parallel, so they need to work next to each other.