On social media, we see what we want to see; it’s a filtered version of the real world. But a new app from MIT’s Playful Systems department aims to change that, letting you intimately share in the life of a stranger for 20 days via regular anonymous social media-esque updates.

Wearable technology only works if you wear it. It's a simple insight, yet one that is transforming the global market for personal security products as fast-growing Swiss watchmaker Limmex sees growth with a smart little watch that can save lives.

From messaging to social media to a marketplace to browsing the internet, WeChat is the app the does everything. While Western companies and app developers race to unbundle their services into efficient single-purpose apps, WeChat continues to add feature after feature.

To encourage women to speak out about sexual harassment, websites like SafeCity and HarassMap Mumbai have launched mapping initiatives. The maps enable women to anonymously report the location at which they have been abused, whilst removing the pressure of filing a formal complaint.