Facebook holding press event tomorrow, spurs rumors of Messenger for iPad, Facebook phone

Facebook is holding an Apple-esque special event tomorrow, complete with mysterious "Come see what we're building" tag lines and rumors that run the gamut from a full on Facebook phone, either built on Android or as some new, budget smart-ish phone to let emerging markets share all their data, to new search engine to compete with Google, to a version of Facebook Messenger for iPad.

Which means it could be nothing, a simple extension of what Facebook is already doing, or it could be something transformative, taking this planet's biggest social network into whole new orbits. There's no real way to tell until Zuckerberg et al. take the stage and show us what they've got.

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The event kicks off at 10am PT, 1pm ET. No word on a stream yet, but we'll be keeping an eye on things -- two, as often as we can spare them -- and will bring word on anything that impacts your iPhones, iPads, or social graphs.

In the meantime, feel free to speculate. Any interest in Facebook Messenger for iPad? What would a Facebook phone have to offer to you to leave Apple and the iPhone?