Take a look at how the cost of telephone calls has changed over the last one hundred years.
Do you understand what the different emoticons mean?
Have a go yourself and find out
Can you set up a warning system to get a message from the ship to the King to tell him that his kingdom is under attack?
Send a message by Morse tapper, semaphore or Morse flashlight.
Enjoy the views from the top of the BT Tower without leaving your chair.
Guess what you are looking at before the time runs out!
How long can you make the broadcast last? Line up the satellite dishes so that they both connect with the satellite.
Pick your own telegram design and send it to a friend.
Match the people to their phones.