New logs-based study (pdf) indicates that high-end phones, like the iPhone, are changing the landscape of mobile search. A conventional mobile queriey tend to average around 2.5 words and be centered around the Adult and Entertainment niches. Whereas, iPhone searches mimicking computer-based search behavior in terms of query length i.e. ~3 words per query for computer and iPhone queries. Google refer to this as the “bar-bet” phenomenon — or the “pub-quiz” phenomenon for those of you in the UK, revealed Google Research Blog.