Did you know? PDF If you download a "PDF" file and you see it ends in ".exe delete it. It's a virus. Did you know? free Wi Fi If the WIFI at an airport/hotel costs money, add "?.jpg" at the end of any URL (they usually don't redirect images) Did you know? You Tube If you want to download a YouTube video, just add "ss" to the URL between www. and YouTube. Did you know? Accidentally close a Word file without saving? No autosave either? Search .asd into file explorer…