Since iPad sales fell last year too, that means that 2013 might be remain the best year ever for the iPad ... at least for the foreseeable future.IDC tablet analyst Jitesh Ubrani called the iPad "the weakest link" in the tablet market. He expects 2015 iPad sales to fall to 60.1 million units, down 5% from 2014. That would be the fewest iPads Apple sold since 2012.IPad sales have shrunk for four straight quarters and in five of the past seven quarters.