The first is machine embroidery and the second is hand embroidery. Both are common today, though most of the items that you purchase are machine embroidery. Despite that nearly every city and town has someone in it that is adept at hand embroidery techniques. As a result there is often little more difficulty involved in procuring hand services than in procuring machine services.
If you are planning to do your first embroidery project then you will need to acquire something. You will either need to get access to an embroidery machine or you will need to acquire the skills of embroidery techniques. Each requires some amount of effort. Which you do should probably be based on the project that you want to complete. If it is something with a definite deadline, or something that is very intricate or large you may simply want to go with machine embroidery techniques this time. If you have a project with an indefinite deadline and the piece is rather simple it may be an excellent opportunity to practice your hand embroidery techniques.
The options that exist in embroidery are nearly limitless. The pieces that are created can be attached to other items. Some are quite popular. Some embroidery machines even include popular embroidery designs that you can select from. Machine options tend to be quick and easy, but some people prefer the hand techniques.
Each one offers something a little different. Both have large groups of support available for those that work with embroidery though. These and other factors can often make your experience pleasing and productive.
Each may also involve an investment of time or money though. Be prepared for that. It is simply part of beginning something new many times. Further research can better prepare you for what to expect when you are ready to begin your work with embroidery.