Is Apple dropping a major hint with its iPad event invitation designs?

Apple just sent out invitations for its next big hardware event. Naturally, the speculation has kicked into high gear.

This year's invitations featured a colorful Apple logo, along with the tagline "there's more in the making." 

Normally, that alone would be enough to incite rampant speculation and obsessive hypothesizing about exactly what Apple has in store (FWIW, we're expecting a new iPad Pro, MacBook, and Mac Mini). 

But the latest event invitations have taken the normal amount of speculation and excitement to the next level. That's because each one appears to have a completely different design for the Apple logo.  Read more...