Sending money with Gmail

hales had a video to watch said
0

I'm not sure if anyone has tried to use Google Wallet within Gmail, but when I try to "attach money" to my emails I keep getting an error message telling me that "The money transfer system is currently unavailable." Has anyone had any experience with this yet? I typically use Venmo, but was wanting to check out something new.

Here's a little video about it in case you are not sure what I'm talking about:

Are there any other apps I should know about instead?