How does WhatsApp make money? It's free - with some tricks
We all use messaging apps such as Whatsapp for free, but what's in it for them?
from BBC News https://ift.tt/XhIgG2u
from BBC News https://ift.tt/XhIgG2u
Will boats be a breakthrough for 3D printing tech?
Dutch firms are betting that hulls made with 3D printing machines will mean cheaper boats. from BBC News https://ift.tt/Zk8mxaT
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