Avoiding sucking: How to make an app people actually want to use

Ultimately, the world is witnessing a fundamental phase shift in the way applications are built and designed. Keeping these new basics in mind will let you create and deploy robust apps that people actually want to use — and can use, crash-free.

Demo: Instant discounts with QR codes on receipts? Sign me up

I hate those printed coupons that come along with my grocery receipts. They’re too easy to forget or lose and too hard to redeem. I also hate loyalty cards, mail-in rebates, and all the other tricks that retailers use to come between me and the discounts they’ve promised.