Don't be discouraged and don't let it get you down. When you take a moment and think of all of the places you have been, or the places that you go daily, or even of all of the people that you know and come in contact with, then you have a good start on finding a job. ALL of those things and people are contacts that may lead you into the job that you are looking for.
First, consider if you are friendly with your neighbors. If so, seek out their input on what they may be doing or what they may know of that can lead you to a job. Their places of employment or their contacts may be hiring.
Call up your previous bosses or places of employment. If you have left them on good terms, and you should have, they may be willing to hire you or they may know of other sources of employment.
Do volunteer work. Yes volunteering is free, but doing volunteer work a couple of hours a week opens up a whole new world of contacts. Many places that take volunteers will also turn your volunteer position into a paid position given that you have put in enough time and dedication to the duty.
Head for the local mall. Fill out an application in every store, of which there are many. If you are up to mall security, apply for that too. Local malls employ many people and they have a big job turnover rate. Get your application in so that you are considered for one of their many positions.
Network at your church. Church groups are usually a close-knit group of people, which then expands your sources. Talk to your church peers and have them either give you contacts or put a good word in for you with their managers or companies.
Consider other places that you may shop besides the mall. Clothing stores, supermarkets and electronics shops are all good places to apply.
Put out the word that you are looking for work on your networking sites like Twitter and Facebook.
Don't forget to talk to your friends. Consider where they work or who their contacts and networks might be. Use them to expand your job searching resources.
To give you more ideas, grab the phone book! Go through the business pages and look at the ads. They do not advertise for 'help wanted' but it may bring to mind other places that you can apply that you had not thought of!