On my my mobile device I get some imagery (a face and a building) and text all stacked on top of each other, making the text very hard to read. It would be goo

On my my mobile device I get some imagery (a face and a building) and text all stacked on top of each other, making the text very hard to read. It would be good to have a single clear statement describing the aim and purpose (what and why) of lambda speech, followed by a description of how to use it. Otherwise people will give up in confusion