Microsoft Word allows you to add the comments to text, images or basically anything included in the document. It's a great way do review a document and suggest the changes that should be made.
Pretty useful trick in Adobe Photoshop, where we will change the setting for showing dimensions in pixels instead of centimetres while making selections.
An interesting video where a guy explaining why he believes that we have landed on the moon and tells also about waving flag, shadows and everything else.
When you want to copy the result of the cell to another cell in Excel, the target displays an invalid references error messag. This error can be avoided by copying cell value into target cell and not the whole formulas.
