Lies about uncapped ADSL packages

I subscribed to an uncapped 4 Mbps ADL package from MWEB a year ago.<br> The service worked really well until a couple of months ago, when it became very slow.<br> When we enquired with MWEB, they told us that there was a monthly threshold usage, that we had exceed it, and that our account was put in a throtled state. They refered us to their acceptable Policy usage (APU). I searched their APU, but could not find any d?tails of the parameters and their values. I could only find a paragraph saying that \We reserve the right to establish policies