Apple rejected an iBook from its store, due to the book guiding readers in how to market their own novels. The book made reference to Amazon, and was rejected over mentioning a competing company.
"Valiant Hearts" for Windows 10
WINDOWS STORE WEEKLY
Catch up on what's new in the Windows Store
windows store weekly
Microsoft's future phones to target businesses in just 18 'core markets'
...of fabulous flagships, Xbox excitement and Microsoft's mobile meltdown
Your handy guide to all the phones + tablets running Windows 10 Mobile
windows 10 mobile