To The Moon

Apple is holding its annual hardware refresher on Tuesday at its headquarters in Cupertino, Calif. The event, which Apple has titled "Wonderlust," will focus on updating some of its existing product lineup, most importantly the iPhone.The Apple event, beginning at 1 p.m. EDT, is also expected to launch new versions of its Apple Watch, but most of the attention will likely be going toward the iPhone. The presentation will be streamed on Apple's website and on YouTube.Although Apple has been quickly trying to diversify its business over the past few years, the iPhone still accounts for around half of its overall sales. Apple is looking to turn around its slipping iPhone business. In the most recently reported quarter ended July 1, iPhone revenue declined 2.4% to $39.7 billion, missing analysts' estimates.Here are five things to watch for as Apple unveils its next iPhone, according to analysts.The smartphone market has slowed down in recent years, and Apple has responded by trying to enti