Flow and Process Builder to update records

Become an awesome admin. Watch this step by step tutorial on how we can use flow in combination with process builder instead of having to write a trigger for complex operations such as searching for a record and updating the current field value with the recordId. This is not possible only with Process builder but can be easily done using a flow and pb. Caution: Be very careful if you are using this for mass data updates. process builder doesn't work very well with a bulk data at once