Leo experience in Silicon on a promotion from The Economist:
Subscribe to the digital edition: $ 65
Subscribe to the print edition: $ 125
Subscribe to the print and online : $ 125
What would you choose?
What if they only offer two of the options?
subscription to the digital edition: $ 65
Subscribe to the print and online: $ 125
Think about it and then go to read In Silicon explanation of how to manipulate us these things.
Note: Since I have very clear if this entry is not math or public sinmultaneamente here and the blog of Professor Miguel .