Is Google going to have problems with search advertising as more people shift to mobile?

[youtube http://www.youtube.com/watch?v=Iz9TaisqqLk&w=600&h=315] You've probably heard this by now, but if not: Google's Q1 estimates were under the expectations, which doesn't often happen with them. Income/profit was $3.45 billion (yes, a number that indicates you're struggling) and revenue was $12.2 billion once you take out partner fees (for example…