
A year ago we were perfectly content with 3.5-inch smartphones, single-core tablets, and laptops that weighed seven pounds.Now look how far we've come.A lot has changed in the gadget world in 2011. We put together the top 20 that changed things (for better or worse) this yearHTC Thunderbolt:Several months later, the HTC Thunderbolt probably seems pretty unremarkable. Single core processor. Android 2.2 Froyo. No 1080p HD video recording. But this was the first LTE phone, and the first to prove people want faster data speeds than what 3G could offer.Why it's important: The Thunderbolt kicked off the LTE craze on Verizon. Now AT&T is starting...