Fitbit has begun a study to see whether or not its wearable devices can detect irregular heartbeats that suggest atrial fibrillation (AFib). The company, which is set to be acquired by Google's parent company Alphabet Inc. this year, announced the news Wednesday. » RELATED: Which wearable sleep tracker is right for you? The large-scale virtual study aims to enroll hundreds of thousands of people, according to a press release. It's part of Fitbit's wide-ranging strategy to bring accessibility to easy-to-use tools that hasten detection of a variety of conditions.