Complex sentence: Today Adam functions primarily as an Internet Service Provider and are currently rolling out their own ADSL2 + network through selected exchanges in South Australia meaning they can offer high speed broadband plans independently of the monopoly Australian ISP, Telstra.
Split into simpler sentences: Today Adam functions primarily as an Internet Service Provider and are currently rolling out their own ADSL2 + network through selected exchanges in South Australia. This enables them to offer high speed broadband Internet access independently of the monopoly Australian ISP, Telstra.