Meanwhile, a game in which players have to conduct drone strikes is freely available

Downdetector.com's Facebook map showed outages in North America, Europe, Australia and India

On mobile devices, shifting perspectives can be done by dragging fingers or just turning handsets

Founders vow to verify every pledge of accommodation personally; Refugee Hero created in only 4 days

Microsoft shifts strategy from one-time sales to cloud-based system that can be accessed from PCs and mobile devices

Apps infected by malware can transmit info about user's device and mount phishing attacks to steal passwords

Researchers say network is for use in disasters when regular communications are often disrupted

Researchers say at-home options will disrupt roughly $64 billion of traditional US provider revenue in next 20 years

Tech experts say overloaded servers to blame; advise users to wait several days before installing new upgrades

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