The larger titles can be seen on N561JB at the unveiling event (via Stephen Toernblom).

JetBlue Airways (New York-JFK) yesterday afternoon officially introduced the new tailfin “Blueberries” in a press release. The new design also includes larger dark blue “jetBlue” fuselage titles and this will now become the norm for the fleet so it does represent a minor but subtle livery change. The airline also announced an employee design contest ending on November 17 for the next tailfin design. Five aircraft should in the “Blueberries” design by the end of the year.

Here is the full press release:

finance.yahoo.com/news/JetBlue-Airways-Reveals-prnews-45882429.html?x=0&.v=1