Twitter's just announced an update for its Android and iOS apps and mobile site aimed to help users locate desired tweets with ease. Now, search queries for specific keywords will turn up a "Top Tweet" -- a result the company claims is more closely "based on relevance and engagement" -- and an option to "View more from this time" period. But that's not the only tweak Twitter's ushering in. iOS users will now be privy to a better autocomplete experience, in addition to a new web browser view that tacks linked tweets to the bottom of the page. The update's live now, so you can go ahead and gra
