In Windows 7, a transparent blue square appears around any icon if you move the mouse slowly across it or if you select it with one click. To remove this feature, right-click on your desktop ...

The hope is that the blue square icon, one of the emojis built into every smartphone's keyboard, will be an easy-to-recognize symbol for standing up to Jewish hate.

Blue highlights on your icons create a messy desktop look. Getty After making changes to your computer, you may find that the text beneath your desktop icons is highlighted by a blue square.

Is a blue square popping up on your social media feed? Here's what it means. The campaign is believed to be the largest awareness campaign about antisemitism in U.S. history.