RBC analyst Mark Mahaney has put together a cheat-sheet (via re/code) to help make sense of Google’s earnings call, due later today.

The tl;dr version is that gross revenues above $15.65B will be viewed by the market as positive, below $15.55B seen as negative and anything between the two business as usual. The market consensus is for a neutral announcement at around $15.61B and earnings per share of $6.25 – ad growth offset by lower revenues due to more mobile ads, which typically cost less …  expand full story