Last week in tech (w.c 27th March)

A round up of (mostly) tech-focused goings on from the last week or so that caught our attention at Make it Clear, enjoy.

‘Persistence of vision’ tech offers new opportunity for advertising.

Uber ‘investing’ in its previously neglected employee (driver) experience.

World’s largest fund company, BlackRock, is betting on machines for their ETF activities.

Amazon’s checkout-free store needs work.

And finally, Norway’s ‘Doomsday Vault’ seed store is expanding to house data archives.