Happy Days are over for Erin Moran: Actress is 'homeless and destitute after being kicked out of her trailer park home'. Erin Moran was just 14 when she signed on to play Joanie Cunningham, the feisty little sister of Richie Cunningham in the hit Seventies show Happy Days.
If you complete five of the steps under that tab, Dropbox will give you an extra 250 MB of space for free. The steps are extremely easy to complete, and if you've been using Dropbox for awhile, you've probably already completed most or all of them, like:
This is pure speculation, but: Dropbox had 1 M users in 04/09, 3 M in 11/09, and 4 M in 01/10. If the growth has continued in a linear manner, they should be around 8 M now. Let's assume that they are between 6 M and 10 M users. The free account gives up to 2 GB of storage space. I would guess that the average usage rate is less than 50 %, i.e. less than 1 GB per user. Let's assume the average storage per user is 500 MB to 1 GB.