The ReadMe is also known as the Pocket Programme. Some conventions divide the ReadMe into the ReadMe Inside and the ReadMe Outside.
Contents (ReadMe Inside)
A Welcome From The Chair
Saying "Hello, welcome, enjoy yourselves, don't break the hotel" or something similar
The ReadMe usually includes the Programme Schedule Grids, showing what is on and where. It often also includes short descriptions of the programme items.
The smoking policy, the weapons policy, the photography and recording policies and other "rules" of the convention
Bar and Food Times/Prices
A list of the opening hours for the hotel bars and restaurant
Hotel Checkout Time
Programme Related Stuff
Explaining themes, voting etc.
For other cons, or from companies helping to pay for the ReadMe
Contents (ReadMe Outside)
If there is only one ReadMe then it combines the Inside and Outside pages into a single guide.
Address of Hotel/Site
It is useful to have the hotel's address and phone number in the ReadMe outside in case you are at a restaurant late in the evening and you need to tell the taxi driver where to take you.
Map of local area
A map, preferably with a legend and markers showing where important things are nearby. Things like restaurants, shops, cashpoints/ATMs, churches, hospitals, railway stations and parking.
Name, location, price, review for a number of restaurants and cafes near the convention site.
Important local shops, such as supermarkets, chemists, sewing supplies, bookshops etc.
Anything Else of Interest
Monuments, churches, Science Fiction related locations etc.