When I look at the mobile devices report in SiteCatalyst, I occasionally
see large shifts in the number of visitors or share of certain mobile
browsers. These large shifts tend to be an issue of tracking the
specific device or browser, rather than any real change in mobile
traffic. For example, in February I see a massive jump of mobile views
from iPhone (4-5x) which I think is attributed to the 3.1.3 update.
These things normalize over time, but now when I look back historically,
looking at thi...