For example, this Business Insider chart: Keep in mind that this is a US chart (although arguably My Space was US-centric), and even if Gmail was at parity with Yahoo back then we'd still expect more Yahoo accounts as the incumbent mail provider; people were creating My Space accounts before Gmail existed.But check the proportions in April 09: This data feels too late when we think back to the 1:5 and 1:3 ratios for Yahoo and Hotmail versus Gmail.So that's the best estimate I can draw on the evidence here - My Space was probably hacked in the mid-2008 to early-2009 time frame.The data is now searchable in Have I been pwned (yes, all 359,420,698 unique email addresses) and if you do find yourself in there and know when your account was created, drop a note in the comments below and we might be able to crowd source a more accurate picture of when this event occurred.Think of the email account distribution like this: But what we need to remember with Gmail is that they're a relatively new player.They entered private beta in April 2004 and didn't hit the mainstream until February 2007.Keep in mind that we're talking about a time where My Space was running into serious trouble and there were a raft of lay-offs, it's highly conceivable that someone literally walked out the door with the data.
From about mid-2008, everything started going downhill for My Space's business.
Facebook was on a massive climb and My Space was losing visitors.
However, it wasn't losing and you could speculate that they could have been frozen in time in 2008 then hacked years later and the evidence would still point to the incident occurring 8 years ago.
Keep in mind that Linked In was hacked in May 2012 so now we have a window somewhere between then and 2007.
Of course this is all assuming an even distribution of accounts over services at similar times which will never be before Linked In was.