"This is important for retailers and business, which may need to change how they approach customers."
Only a small number of people shopped using smartphones. Nearly 70 per cent used phones to surf the web and nearly one-third accessed Facebook and Twitter through their phones.
He believed smartphones were the most important way for businesses to connect with consumers.
"People always have their smartphones switched on and with them, which makes it easier for companies to connect to them."
Mr Seccombe said there was also a shift in online banking.
According to the results, it will not be long until online banking overtakes offline.
"It's already happened in Australia.
"It will be a big moment when it happens here."
He said "digital natives" who had grown up with technology would not be surprised by these results, but those who had come to the digital age later in life would be surprised.
"For them, it will seem like it's grown from nothing to something huge."
Each year, Roy Morgan Research surveys around 12,000 New Zealanders on aspects of Kiwi life.