McDonald's free wifi print ad is simple, clever and clear. They need to advertise that they have free wifi so very cleverly made the wifi symbol look like fries. It is quite clearly a mcdonalds ad and is easy to notice from afar.
The type of text you have can make or break any design. These are need to know rules for applying text. From formal to personal all details matter, and with these rules you can put the final touches on your design.