Mobile phones can help create smarter buildings and reduce the amount of energy used to power cities.

Facebook founder Mark Zuckerberg attracted a bumper crowd at his keynote address at yesterday’s Mobile World Congress in Barcelona.

Huawei launched seven products at the Mobile World Congress in Barcelona, including two tablets. The small size of their screens — one 7-inches, the other 8-inches — is an indication of how blurred the lines have become between smartphones and tablets.