One of the first ways people hear about a church these days is via the web. Or they will hear something and want to see what the church is like before they commit an hour or two to a service or an event. They will do a search for the church to see what comes up. If there’s nothing there, many people will avoid coming.
Here is a presentation of social media tools that cost little or nothing, that even the smallest church can do: Social Media for Small Churches
Turnaround Churches 