With the news buzzing about WhatsApp's sale to Facebook, my thoughts turned to tech accessories. As a devoted Apple fan, I make no apologies for the extreme bias towards items that fit their products in my selection below although most pouches can also be used for other tablets, as well as in place of a regular clutch bag to pop your phone and other bits into.
Picture the scene - you are completing an application form for life insurance and a page comes up giving you the option to upload data from your always-on fitness monitor, outlining your exercise, work and sleep patterns for the past 6 months, with the incentive that reduced premiums may be available for those who do.
So where is this sense when it comes to directions? It turns out that this sense, or lack thereof, seems to be latent in grid cells in my brain. Last summer, neuroscientist Joshua Jacobs, of Drexel University, along with his colleagues, tested fourteen people who had electrodes implanted in their brain for epilepsy therapy, and learned that humans have similar 'direction cells' as animals.