...BUTcan you guess what it is!? Look closely and guess what they could be... Are they pens with cameras? Any wild guesses? No clue yet? Ladies and gentlemen...! You've just looked into the future...! You've just seen something that will replace your PC in the near future. Here is how it works: In the revolution of miniature computers, scientists have made great developments with bluetooth technology.. This is the forthcoming computers you can carry within your pockets . This "pen sort of instrument" produces both the monitor as well as the keyboard on any flat surfaces from where you can carry out functions you would normally do on your desktop computer. Say, "Good-bye laptops!"