Almost a quarter of Australians — equating to three million people — are dissatisfied with their home broadband speed, according to a newly published survey.

Aussies often use their smartphones to send and receive data, but it has collectively cost them $146 million in excess data charges this year, according to a survey by comparison website Finder.

In-flight Wi-Fi is quickly becoming a deciding factor in which airline to choose as penetration reaches 50% of the world’s top airlines.