“Giving is receiving” is an old adage that doesn’t work for everyone — at least, not when it comes to Wi-Fi. Few of us are happy to discover unauthorized others have been leeching bandwidth off our hotspots’ signals. But a new kind of WiFi hotspot launching later this year wants to change that. It’s called Karma. And, like the regular kind of karma, it works by returning to you what you share with others. In this case, Wi-Fi. Anyone in the vicinity can log on to your Karma Wi-Fi hotspot for a pay-as-you-go fee of $14 per GB of data. In return for each person who purchases connectivity through your device, you earn 100 Megabytes of free data — about enough to browse the Internet for five hours, and open 10,000 emails. Read the full story at Mashable.