We have an informal motto around here. Basically it states, “If it’s not fun, don’t do it.” Colin Devroe seems to think that this is the case with Blinksale. He says:
Blinksale invoices are powerful for several very important reasons. The first being that creating invoices is not only easy, but fun. That’s powerful. If creating invoices is mundane and complex, not only will you not want to do it – but you will not do a good job.
You can read the rest of his write-up at TheUbergeeks.