you ask them about more details, they keep saying that it will better than what you have. will you buy it. she felt that the sale person is a liar.
i do believe that the big data problem does exist today, but it is a special kind of data and requires some special way to handle.
it is not everything. it may require a new way that does not exist before. it may be also likely to require some ways that have been there for some time, but we just did not pay attention to it. 