Hundreds of Sudoku apps, and most of them look the same. Here's how we designed M6 3D Sudoku to stand out: a puzzle cube you can spin, honestly graded difficulty, hints that teach, and no data collection at all.
Excel is flexible, affordable and easy to start with — but as a business grows, the same spreadsheet that once made life easier can quietly become the bottleneck. Here are seven signs it's time to move to a dedicated system.