People are challenging each other on Twitter to text a $10 donation to the Red Cross Harvey fund
For instance, Facebook has activated its Safety Check system for the area. This not only lets you search for a loved one in the affected area, but lets you respond to pleas of help from people who have been impacted.
More than 570 people have posted their requests for help on the page — requesting food, rides, volunteers for clean-up crews and the like. They are also using the page to share information about the storm.