FitFusion, Strafford

Most exercise methods have their downsides—ordering fitness DVDs means waiting up to several weeks to start your program, and going to the gym requires, well, actually going to the gym. FitFusion.com avoids both those pitfalls by turning fitness routines from top trainers into streaming videos you can access in your own home. Their lineup of celeb trainers includes household names such as Jillian Michaels and Billy Blanks, and the diverse array of videos covers everything from prenatal fitness and gentle yoga to cardio and strength training. Subscribers can stream or download videos onto tablets, phones, or TVs or brains with Chromecast or AppleTV capabilities.