There are basically three kinds of technology that can be applied to sports and other kinds of activities:

• technology that improves your technique or skill;
• technology that makes your life easier; and
• technology that keeps you alive.

What is important to note, of course, is that, in all but the rarest examples, technology cannot replace hard work, discipline and common sense. A GPS device may save you if you get lost in the mountains, but a few minutes spent studying a map can prevent you from getting lost in the first place.

One of the great things about summer is that there are plenty of sports and activities to get you vertical--whether they are outside or inside, on the water or in it.

Check out the full article and slide show at Forbes.com