BBC Click's Paul Carter looks at some of the week's best technology stories including:

Facebook announces its new crypto-currency, Libra, but some lawmakers have expressed concerns

Huawei founder Ren Zhengfei says international sales of the telecoms company’s handsets have fallen by 40% in the past month as a US-led backlash against the firm continues

MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) is teaching a robot to “feel” an object by looking at it

See more at Click's website and @BBCClick.