Write 20 short descriptions and 20 long 400-500 characters about website.

This is a straight forward job and easy 10 rating. Please only people who can write clear English bid. This job also needs to be done in 24 hours. I'm looking for 20 short descriptions for a website and 20 long descriptions, 400-500 characters no more no less. Here is an e.g. of the short description: *'Looking to improve memory? The free website [login to view URL] has comprehensive articles and an audio course.'* Here is an e.g. of a long description which must be between 400-500 characters: *'If you enjoy learning you probably hate forgetting! You may be looking for ways to improve memory. Unfortunately memory loss is something we all have in common but there are ways we can improve this. At [login to view URL] They have created an interactive audio course and articles with the intention of helping people improve their memory. This free website has been put together with care and using those most modern memory improvement technique.'* The idea is to create a bit of an intro and a bit about the free memory website [login to view URL] . The keywords that has to be in each text is "how to improve memory" and is to fit in the text nicely without it sounding awkward.