Central line or Bakerloo? Northbound or southbound? It’s easy to get lost in the notorious rabbit warren of London’s underground system. But for visually impaired travellers, finding the way can be even scarier. Could Wayfindr give blind commuters the independence they crave?

Using public transport can be difficult for the blind, but an app called StopInfo hopes to change that. By informing blind riders how to find their bus stop, and being integrated into bus tracking app OneBusAway, it's giving them more independence in their travels.

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.

The presumption that Gen Y and Z are driving social media uptake is past; 63% of over 70s spend 11 to 30 hours a week online. But how do you get people familiar with Facebook family banter, Skyping the grandkids and browsing Picasa albums? Will Family Ribbon be the business to get seniors surfing?