Web browsers collect a large amount of data about the user’s browsing habits. If you care about privacy, you might want to clean up your browser and configure some custom privacy settings.

The Guetzli image optimizer by Google developers produces smaller images than JPEG while maintaining the same quality, but it requires a powerful computer with a large working memory.

If you accidentally delete data or format a disk, good advice can be expensive. Or maybe not: You can undo many data losses with SystemRescueCd.