BBC Click’s Jen Copestake looks at some of the best technology news stories of the week including:
- Twitter begins testing a new online shopping feature
- US President Joe Biden warns a cyber-attack on the country could lead to a “real shooting war”
- An untethered bi-pedal robot, developed at Oregon State University, teaches itself to run and completes a 5km (3.1mile) journey
See more at Click’s website and @BBCClick
