Also it's connected to a physical location (unless it's only digital tasks, which is limited in itself -- I'd think the most successful version of these things usually involves in person tasks. Especially now that we have chat).

Maybe Block will release something lol

If I had to guess the biggest issue with these are:

1. double-sided market cold start problem
2. no/limited/unreliable reputation systems

k00b

Because of the talent you got paired up with or something else? 

SimpleStacker

I have seen so many of these sites come and go I used one once for editing services and it was a terrible experience

nostr

BitTasker

Scoresby

I have seen so many of these sites come and go I used one once for editing services and it was a terrible experience 